20651772

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 49952672

約数和(自身を除く): 29300900

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 193, 222, 241, 386, 444, 482, 579, 723, 772, 964, 1158, 1446, 2316, 2892, 7141, 8917, 14282, 17834, 21423, 26751, 28564, 35668, 42846, 46513, 53502, 85692, 93026, 107004, 139539, 186052, 279078, 558156, 1720981, 3441962, 5162943, 6883924, 10325886, 20651772]

約数ペア:

[(1, 20651772), (2, 10325886), (3, 6883924), (4, 5162943), (6, 3441962), (12, 1720981), (37, 558156), (74, 279078), (111, 186052), (148, 139539), (193, 107004), (222, 93026), (241, 85692), (386, 53502), (444, 46513), (482, 42846), (579, 35668), (723, 28564), (772, 26751), (964, 21423), (1158, 17834), (1446, 14282), (2316, 8917), (2892, 7141)]