20217532860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{953}}^1$

素因数の和:1237

約数の個数: 288

約数和(自身を含む): 71256931200

約数和(自身を除く): 51039398340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 113, 126, 140, 149, 180, 210, 226, 252, 298, 315, 339, 420, 447, 452, 565, 596, 630, 678, 745, 791, 894, 953, 1017, 1043, 1130, 1260, 1341, 1356, 1490, 1582, 1695, 1788, 1906, 2034, 2086, 2235, 2260, 2373, 2682, 2859, 2980, 3129, 3164, 3390, 3812, 3955, 4068, 4172, 4470, 4746, 4765, 5085, 5215, 5364, 5718, 6258, 6671, 6705, 6780, 7119, 7910, 8577, 8940, 9387, 9492, 9530, 10170, 10430, 11436, 11865, 12516, 13342, 13410, 14238, 14295, 15645, 15820, 16837, 17154, 18774, 19060, 20013, 20340, 20860, 23730, 26684, 26820, 28476, 28590, 31290, 33355, 33674, 34308, 35595, 37548, 40026, 42885, 46935, 47460, 50511, 57180, 60039, 62580, 66710, 67348, 71190, 80052, 84185, 85770, 93870, 100065, 101022, 107689, 117859, 120078, 133420, 141997, 142380, 151533, 168370, 171540, 187740, 200130, 202044, 215378, 235718, 240156, 252555, 283994, 300195, 303066, 323067, 336740, 353577, 400260, 425991, 430756, 471436, 505110, 538445, 567988, 589295, 600390, 606132, 646134, 707154, 709985, 753823, 757665, 851982, 969201, 993979, 1010220, 1060731, 1076890, 1178590, 1200780, 1277973, 1292268, 1414308, 1419970, 1507646, 1515330, 1615335, 1703964, 1767885, 1938402, 1987958, 2121462, 2129955, 2153780, 2261469, 2357180, 2555946, 2839940, 2981937, 3015292, 3030660, 3230670, 3535770, 3769115, 3876804, 3975916, 4242924, 4259910, 4522938, 4846005, 4969895, 5111892, 5303655, 5963874, 6389865, 6461340, 6784407, 7071540, 7538230, 8519820, 8945811, 9045876, 9692010, 9939790, 10607310, 11307345, 11927748, 12779730, 13568814, 14909685, 15076460, 16045661, 17891622, 19384020, 19879580, 21214620, 22614690, 25559460, 27137628, 29819370, 32091322, 33922035, 35783244, 44729055, 45229380, 48136983, 59638740, 64182644, 67844070, 80228305, 89458110, 96273966, 112319627, 135688140, 144410949, 160456610, 178916220, 192547932, 224639254, 240684915, 288821898, 320913220, 336958881, 449278508, 481369830, 561598135, 577643796, 673917762, 722054745, 962739660, 1010876643, 1123196270, 1347835524, 1444109490, 1684794405, 2021753286, 2246392540, 2888218980, 3369588810, 4043506572, 5054383215, 6739177620, 10108766430, 20217532860]

約数ペア:

[(1, 20217532860), (2, 10108766430), (3, 6739177620), (4, 5054383215), (5, 4043506572), (6, 3369588810), (7, 2888218980), (9, 2246392540), (10, 2021753286), (12, 1684794405), (14, 1444109490), (15, 1347835524), (18, 1123196270), (20, 1010876643), (21, 962739660), (28, 722054745), (30, 673917762), (35, 577643796), (36, 561598135), (42, 481369830), (45, 449278508), (60, 336958881), (63, 320913220), (70, 288821898), (84, 240684915), (90, 224639254), (105, 192547932), (113, 178916220), (126, 160456610), (140, 144410949), (149, 135688140), (180, 112319627), (210, 96273966), (226, 89458110), (252, 80228305), (298, 67844070), (315, 64182644), (339, 59638740), (420, 48136983), (447, 45229380), (452, 44729055), (565, 35783244), (596, 33922035), (630, 32091322), (678, 29819370), (745, 27137628), (791, 25559460), (894, 22614690), (953, 21214620), (1017, 19879580), (1043, 19384020), (1130, 17891622), (1260, 16045661), (1341, 15076460), (1356, 14909685), (1490, 13568814), (1582, 12779730), (1695, 11927748), (1788, 11307345), (1906, 10607310), (2034, 9939790), (2086, 9692010), (2235, 9045876), (2260, 8945811), (2373, 8519820), (2682, 7538230), (2859, 7071540), (2980, 6784407), (3129, 6461340), (3164, 6389865), (3390, 5963874), (3812, 5303655), (3955, 5111892), (4068, 4969895), (4172, 4846005), (4470, 4522938), (4746, 4259910), (4765, 4242924), (5085, 3975916), (5215, 3876804), (5364, 3769115), (5718, 3535770), (6258, 3230670), (6671, 3030660), (6705, 3015292), (6780, 2981937), (7119, 2839940), (7910, 2555946), (8577, 2357180), (8940, 2261469), (9387, 2153780), (9492, 2129955), (9530, 2121462), (10170, 1987958), (10430, 1938402), (11436, 1767885), (11865, 1703964), (12516, 1615335), (13342, 1515330), (13410, 1507646), (14238, 1419970), (14295, 1414308), (15645, 1292268), (15820, 1277973), (16837, 1200780), (17154, 1178590), (18774, 1076890), (19060, 1060731), (20013, 1010220), (20340, 993979), (20860, 969201), (23730, 851982), (26684, 757665), (26820, 753823), (28476, 709985), (28590, 707154), (31290, 646134), (33355, 606132), (33674, 600390), (34308, 589295), (35595, 567988), (37548, 538445), (40026, 505110), (42885, 471436), (46935, 430756), (47460, 425991), (50511, 400260), (57180, 353577), (60039, 336740), (62580, 323067), (66710, 303066), (67348, 300195), (71190, 283994), (80052, 252555), (84185, 240156), (85770, 235718), (93870, 215378), (100065, 202044), (101022, 200130), (107689, 187740), (117859, 171540), (120078, 168370), (133420, 151533), (141997, 142380)]