20447395918

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1\times {\mathrm{647}}^1$

素因数の和:1488

約数の個数: 32

約数和(自身を含む): 31125523968

約数和(自身を除く): 10678128050

約数列:

[1, 2, 151, 227, 302, 454, 461, 647, 922, 1294, 34277, 68554, 69611, 97697, 104647, 139222, 146869, 195394, 209294, 293738, 298267, 596534, 15801697, 22177219, 31603394, 44354438, 45038317, 67706609, 90076634, 135413218, 10223697959, 20447395918]

約数ペア:

[(1, 20447395918), (2, 10223697959), (151, 135413218), (227, 90076634), (302, 67706609), (454, 45038317), (461, 44354438), (647, 31603394), (922, 22177219), (1294, 15801697), (34277, 596534), (68554, 298267), (69611, 293738), (97697, 209294), (104647, 195394), (139222, 146869)]