20297326

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 35988480

約数和(自身を除く): 15691154

約数列:

[1, 2, 7, 14, 47, 94, 109, 218, 283, 329, 566, 658, 763, 1526, 1981, 3962, 5123, 10246, 13301, 26602, 30847, 35861, 61694, 71722, 93107, 186214, 215929, 431858, 1449809, 2899618, 10148663, 20297326]

約数ペア:

[(1, 20297326), (2, 10148663), (7, 2899618), (14, 1449809), (47, 431858), (94, 215929), (109, 186214), (218, 93107), (283, 71722), (329, 61694), (566, 35861), (658, 30847), (763, 26602), (1526, 13301), (1981, 10246), (3962, 5123)]