20858045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2999}}^1$

素因数の和:3124

約数の個数: 16

約数和(自身を含む): 27216000

約数和(自身を除く): 6357955

約数列:

[1, 5, 13, 65, 107, 535, 1391, 2999, 6955, 14995, 38987, 194935, 320893, 1604465, 4171609, 20858045]

約数ペア:

[(1, 20858045), (5, 4171609), (13, 1604465), (65, 320893), (107, 194935), (535, 38987), (1391, 14995), (2999, 6955)]