20149556

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42331}}^1$

素因数の和:42359

約数の個数: 24

約数和(自身を含む): 42670656

約数和(自身を除く): 22521100

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42331, 84662, 169324, 296317, 592634, 719627, 1185268, 1439254, 2878508, 5037389, 10074778, 20149556]

約数ペア:

[(1, 20149556), (2, 10074778), (4, 5037389), (7, 2878508), (14, 1439254), (17, 1185268), (28, 719627), (34, 592634), (68, 296317), (119, 169324), (238, 84662), (476, 42331)]