20779320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4027}}^1$

素因数の和:4084

約数の個数: 64

約数和(自身を含む): 63803520

約数和(自身を除く): 43024200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 4027, 5160, 8054, 12081, 16108, 20135, 24162, 32216, 40270, 48324, 60405, 80540, 96648, 120810, 161080, 173161, 241620, 346322, 483240, 519483, 692644, 865805, 1038966, 1385288, 1731610, 2077932, 2597415, 3463220, 4155864, 5194830, 6926440, 10389660, 20779320]

約数ペア:

[(1, 20779320), (2, 10389660), (3, 6926440), (4, 5194830), (5, 4155864), (6, 3463220), (8, 2597415), (10, 2077932), (12, 1731610), (15, 1385288), (20, 1038966), (24, 865805), (30, 692644), (40, 519483), (43, 483240), (60, 346322), (86, 241620), (120, 173161), (129, 161080), (172, 120810), (215, 96648), (258, 80540), (344, 60405), (430, 48324), (516, 40270), (645, 32216), (860, 24162), (1032, 20135), (1290, 16108), (1720, 12081), (2580, 8054), (4027, 5160)]