20138025656

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{733}}^1\times {\mathrm{3581}}^1$

素因数の和:4464

約数の個数: 64

約数和(自身を含む): 43539353280

約数和(自身を除く): 23401327624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 733, 959, 1096, 1466, 1918, 2932, 3581, 3836, 5131, 5864, 7162, 7672, 10262, 14324, 20524, 25067, 28648, 41048, 50134, 100268, 100421, 200536, 200842, 401684, 490597, 702947, 803368, 981194, 1405894, 1962388, 2624873, 2811788, 3434179, 3924776, 5249746, 5623576, 6868358, 10499492, 13736716, 18374111, 20998984, 27473432, 36748222, 73496444, 146992888, 359607601, 719215202, 1438430404, 2517253207, 2876860808, 5034506414, 10069012828, 20138025656]

約数ペア:

[(1, 20138025656), (2, 10069012828), (4, 5034506414), (7, 2876860808), (8, 2517253207), (14, 1438430404), (28, 719215202), (56, 359607601), (137, 146992888), (274, 73496444), (548, 36748222), (733, 27473432), (959, 20998984), (1096, 18374111), (1466, 13736716), (1918, 10499492), (2932, 6868358), (3581, 5623576), (3836, 5249746), (5131, 3924776), (5864, 3434179), (7162, 2811788), (7672, 2624873), (10262, 1962388), (14324, 1405894), (20524, 981194), (25067, 803368), (28648, 702947), (41048, 490597), (50134, 401684), (100268, 200842), (100421, 200536)]