20403703010

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2693}}^1\times {\mathrm{8513}}^1$

素因数の和:11302

約数の個数: 32

約数和(自身を含む): 37157479920

約数和(自身を除く): 16753776910

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2693, 5386, 8513, 13465, 17026, 26930, 42565, 85130, 239677, 479354, 757657, 1198385, 1515314, 2396770, 3788285, 7576570, 22925509, 45851018, 114627545, 229255090, 2040370301, 4080740602, 10201851505, 20403703010]

約数ペア:

[(1, 20403703010), (2, 10201851505), (5, 4080740602), (10, 2040370301), (89, 229255090), (178, 114627545), (445, 45851018), (890, 22925509), (2693, 7576570), (5386, 3788285), (8513, 2396770), (13465, 1515314), (17026, 1198385), (26930, 757657), (42565, 479354), (85130, 239677)]