20188454937

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^2\times {\mathrm{49757}}^1$

素因数の和:50045

約数の個数: 24

約数和(自身を含む): 30986894016

約数和(自身を除く): 10798439079

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 19321, 49757, 57963, 135247, 149271, 348299, 405741, 1044897, 6916223, 20748669, 48413561, 145240683, 961354997, 2884064991, 6729484979, 20188454937]

約数ペア:

[(1, 20188454937), (3, 6729484979), (7, 2884064991), (21, 961354997), (139, 145240683), (417, 48413561), (973, 20748669), (2919, 6916223), (19321, 1044897), (49757, 405741), (57963, 348299), (135247, 149271)]