20585912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4091}}^1$

素因数の和:4151

約数の個数: 32

約数和(自身を含む): 41983920

約数和(自身を除く): 21398008

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 4091, 5032, 8182, 16364, 32728, 69547, 139094, 151367, 278188, 302734, 556376, 605468, 1210936, 2573239, 5146478, 10292956, 20585912]

約数ペア:

[(1, 20585912), (2, 10292956), (4, 5146478), (8, 2573239), (17, 1210936), (34, 605468), (37, 556376), (68, 302734), (74, 278188), (136, 151367), (148, 139094), (296, 69547), (629, 32728), (1258, 16364), (2516, 8182), (4091, 5032)]