20529180120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{709861}}^1$

素因数の和:710116

約数の個数: 64

約数和(自身を含む): 61843177440

約数和(自身を除く): 41313997320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 1205, 1446, 1928, 2410, 2892, 3615, 4820, 5784, 7230, 9640, 14460, 28920, 709861, 1419722, 2129583, 2839444, 3549305, 4259166, 5678888, 7098610, 8518332, 10647915, 14197220, 17036664, 21295830, 28394440, 42591660, 85183320, 171076501, 342153002, 513229503, 684306004, 855382505, 1026459006, 1368612008, 1710765010, 2052918012, 2566147515, 3421530020, 4105836024, 5132295030, 6843060040, 10264590060, 20529180120]

約数ペア:

[(1, 20529180120), (2, 10264590060), (3, 6843060040), (4, 5132295030), (5, 4105836024), (6, 3421530020), (8, 2566147515), (10, 2052918012), (12, 1710765010), (15, 1368612008), (20, 1026459006), (24, 855382505), (30, 684306004), (40, 513229503), (60, 342153002), (120, 171076501), (241, 85183320), (482, 42591660), (723, 28394440), (964, 21295830), (1205, 17036664), (1446, 14197220), (1928, 10647915), (2410, 8518332), (2892, 7098610), (3615, 5678888), (4820, 4259166), (5784, 3549305), (7230, 2839444), (9640, 2129583), (14460, 1419722), (28920, 709861)]