20690340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 48982620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 29, 30, 33, 44, 46, 47, 55, 58, 60, 66, 69, 87, 92, 94, 110, 115, 116, 132, 138, 141, 145, 165, 174, 188, 220, 230, 235, 253, 276, 282, 290, 319, 330, 345, 348, 435, 460, 470, 506, 517, 564, 580, 638, 660, 667, 690, 705, 759, 870, 940, 957, 1012, 1034, 1081, 1265, 1276, 1334, 1363, 1380, 1410, 1518, 1551, 1595, 1740, 1914, 2001, 2068, 2162, 2530, 2585, 2668, 2726, 2820, 3036, 3102, 3190, 3243, 3335, 3795, 3828, 4002, 4089, 4324, 4785, 5060, 5170, 5405, 5452, 6204, 6380, 6486, 6670, 6815, 7337, 7590, 7755, 8004, 8178, 9570, 10005, 10340, 10810, 11891, 12972, 13340, 13630, 14674, 14993, 15180, 15510, 16215, 16356, 19140, 20010, 20445, 21620, 22011, 23782, 27260, 29348, 29986, 31020, 31349, 32430, 35673, 36685, 40020, 40890, 44022, 44979, 47564, 59455, 59972, 62698, 64860, 71346, 73370, 74965, 81780, 88044, 89958, 94047, 110055, 118910, 125396, 142692, 146740, 149930, 156745, 178365, 179916, 188094, 220110, 224895, 237820, 299860, 313490, 344839, 356730, 376188, 440220, 449790, 470235, 626980, 689678, 713460, 899580, 940470, 1034517, 1379356, 1724195, 1880940, 2069034, 3448390, 4138068, 5172585, 6896780, 10345170, 20690340]

約数ペア:

[(1, 20690340), (2, 10345170), (3, 6896780), (4, 5172585), (5, 4138068), (6, 3448390), (10, 2069034), (11, 1880940), (12, 1724195), (15, 1379356), (20, 1034517), (22, 940470), (23, 899580), (29, 713460), (30, 689678), (33, 626980), (44, 470235), (46, 449790), (47, 440220), (55, 376188), (58, 356730), (60, 344839), (66, 313490), (69, 299860), (87, 237820), (92, 224895), (94, 220110), (110, 188094), (115, 179916), (116, 178365), (132, 156745), (138, 149930), (141, 146740), (145, 142692), (165, 125396), (174, 118910), (188, 110055), (220, 94047), (230, 89958), (235, 88044), (253, 81780), (276, 74965), (282, 73370), (290, 71346), (319, 64860), (330, 62698), (345, 59972), (348, 59455), (435, 47564), (460, 44979), (470, 44022), (506, 40890), (517, 40020), (564, 36685), (580, 35673), (638, 32430), (660, 31349), (667, 31020), (690, 29986), (705, 29348), (759, 27260), (870, 23782), (940, 22011), (957, 21620), (1012, 20445), (1034, 20010), (1081, 19140), (1265, 16356), (1276, 16215), (1334, 15510), (1363, 15180), (1380, 14993), (1410, 14674), (1518, 13630), (1551, 13340), (1595, 12972), (1740, 11891), (1914, 10810), (2001, 10340), (2068, 10005), (2162, 9570), (2530, 8178), (2585, 8004), (2668, 7755), (2726, 7590), (2820, 7337), (3036, 6815), (3102, 6670), (3190, 6486), (3243, 6380), (3335, 6204), (3795, 5452), (3828, 5405), (4002, 5170), (4089, 5060), (4324, 4785)]