20044080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 240

約数和(自身を含む): 79619904

約数和(自身を除く): 59575824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 48, 56, 60, 63, 70, 72, 80, 82, 84, 90, 97, 105, 112, 120, 123, 126, 140, 144, 164, 168, 180, 194, 205, 210, 240, 246, 252, 280, 287, 291, 315, 328, 336, 360, 369, 388, 410, 420, 485, 492, 504, 560, 574, 582, 615, 630, 656, 679, 720, 738, 776, 820, 840, 861, 873, 970, 984, 1008, 1148, 1164, 1230, 1260, 1358, 1435, 1455, 1476, 1552, 1640, 1680, 1722, 1746, 1845, 1940, 1968, 2037, 2296, 2328, 2460, 2520, 2583, 2716, 2870, 2910, 2952, 3280, 3395, 3444, 3492, 3690, 3880, 3977, 4074, 4305, 4365, 4592, 4656, 4920, 5040, 5166, 5432, 5740, 5820, 5904, 6111, 6790, 6888, 6984, 7380, 7760, 7954, 8148, 8610, 8730, 9840, 10185, 10332, 10864, 11480, 11640, 11931, 12222, 12915, 13580, 13776, 13968, 14760, 15908, 16296, 17220, 17460, 19885, 20370, 20664, 22960, 23280, 23862, 24444, 25830, 27160, 27839, 29520, 30555, 31816, 32592, 34440, 34920, 35793, 39770, 40740, 41328, 47724, 48888, 51660, 54320, 55678, 59655, 61110, 63632, 68880, 69840, 71586, 79540, 81480, 83517, 95448, 97776, 103320, 111356, 119310, 122220, 139195, 143172, 159080, 162960, 167034, 178965, 190896, 206640, 222712, 238620, 244440, 250551, 278390, 286344, 318160, 334068, 357930, 417585, 445424, 477240, 488880, 501102, 556780, 572688, 668136, 715860, 835170, 954480, 1002204, 1113560, 1252755, 1336272, 1431720, 1670340, 2004408, 2227120, 2505510, 2863440, 3340680, 4008816, 5011020, 6681360, 10022040, 20044080]

約数ペア:

[(1, 20044080), (2, 10022040), (3, 6681360), (4, 5011020), (5, 4008816), (6, 3340680), (7, 2863440), (8, 2505510), (9, 2227120), (10, 2004408), (12, 1670340), (14, 1431720), (15, 1336272), (16, 1252755), (18, 1113560), (20, 1002204), (21, 954480), (24, 835170), (28, 715860), (30, 668136), (35, 572688), (36, 556780), (40, 501102), (41, 488880), (42, 477240), (45, 445424), (48, 417585), (56, 357930), (60, 334068), (63, 318160), (70, 286344), (72, 278390), (80, 250551), (82, 244440), (84, 238620), (90, 222712), (97, 206640), (105, 190896), (112, 178965), (120, 167034), (123, 162960), (126, 159080), (140, 143172), (144, 139195), (164, 122220), (168, 119310), (180, 111356), (194, 103320), (205, 97776), (210, 95448), (240, 83517), (246, 81480), (252, 79540), (280, 71586), (287, 69840), (291, 68880), (315, 63632), (328, 61110), (336, 59655), (360, 55678), (369, 54320), (388, 51660), (410, 48888), (420, 47724), (485, 41328), (492, 40740), (504, 39770), (560, 35793), (574, 34920), (582, 34440), (615, 32592), (630, 31816), (656, 30555), (679, 29520), (720, 27839), (738, 27160), (776, 25830), (820, 24444), (840, 23862), (861, 23280), (873, 22960), (970, 20664), (984, 20370), (1008, 19885), (1148, 17460), (1164, 17220), (1230, 16296), (1260, 15908), (1358, 14760), (1435, 13968), (1455, 13776), (1476, 13580), (1552, 12915), (1640, 12222), (1680, 11931), (1722, 11640), (1746, 11480), (1845, 10864), (1940, 10332), (1968, 10185), (2037, 9840), (2296, 8730), (2328, 8610), (2460, 8148), (2520, 7954), (2583, 7760), (2716, 7380), (2870, 6984), (2910, 6888), (2952, 6790), (3280, 6111), (3395, 5904), (3444, 5820), (3492, 5740), (3690, 5432), (3880, 5166), (3977, 5040), (4074, 4920), (4305, 4656), (4365, 4592)]