20993912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5323}}^1$

素因数の和:5375

約数の個数: 32

約数和(自身を含む): 43124400

約数和(自身を除く): 22130488

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 5323, 10646, 21292, 42584, 90491, 154367, 180982, 308734, 361964, 617468, 723928, 1234936, 2624239, 5248478, 10496956, 20993912]

約数ペア:

[(1, 20993912), (2, 10496956), (4, 5248478), (8, 2624239), (17, 1234936), (29, 723928), (34, 617468), (58, 361964), (68, 308734), (116, 180982), (136, 154367), (232, 90491), (493, 42584), (986, 21292), (1972, 10646), (3944, 5323)]