20372545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2693}}^1$

素因数の和:2804

約数の個数: 16

約数和(自身を含む): 26185680

約数和(自身を除く): 5813135

約数列:

[1, 5, 17, 85, 89, 445, 1513, 2693, 7565, 13465, 45781, 228905, 239677, 1198385, 4074509, 20372545]

約数ペア:

[(1, 20372545), (5, 4074509), (17, 1198385), (85, 239677), (89, 228905), (445, 45781), (1513, 13465), (2693, 7565)]