20542992

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 55978560

約数和(自身を除く): 35435568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 43, 48, 74, 86, 111, 129, 148, 172, 222, 258, 269, 296, 344, 444, 516, 538, 592, 688, 807, 888, 1032, 1076, 1591, 1614, 1776, 2064, 2152, 3182, 3228, 4304, 4773, 6364, 6456, 9546, 9953, 11567, 12728, 12912, 19092, 19906, 23134, 25456, 29859, 34701, 38184, 39812, 46268, 59718, 69402, 76368, 79624, 92536, 119436, 138804, 159248, 185072, 238872, 277608, 427979, 477744, 555216, 855958, 1283937, 1711916, 2567874, 3423832, 5135748, 6847664, 10271496, 20542992]

約数ペア:

[(1, 20542992), (2, 10271496), (3, 6847664), (4, 5135748), (6, 3423832), (8, 2567874), (12, 1711916), (16, 1283937), (24, 855958), (37, 555216), (43, 477744), (48, 427979), (74, 277608), (86, 238872), (111, 185072), (129, 159248), (148, 138804), (172, 119436), (222, 92536), (258, 79624), (269, 76368), (296, 69402), (344, 59718), (444, 46268), (516, 39812), (538, 38184), (592, 34701), (688, 29859), (807, 25456), (888, 23134), (1032, 19906), (1076, 19092), (1591, 12912), (1614, 12728), (1776, 11567), (2064, 9953), (2152, 9546), (3182, 6456), (3228, 6364), (4304, 4773)]