20571955

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5903}}^1$

素因数の和:5966

約数の個数: 16

約数和(自身を含む): 26780544

約数和(自身を除く): 6208589

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 5903, 29515, 100351, 242023, 501755, 1210115, 4114391, 20571955]

約数ペア:

[(1, 20571955), (5, 4114391), (17, 1210115), (41, 501755), (85, 242023), (205, 100351), (697, 29515), (3485, 5903)]