20809211570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{3049}}^1\times {\mathrm{97499}}^1$

素因数の和:100562

約数の個数: 32

約数和(自身を含む): 42822000000

約数和(自身を除く): 22012788430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 3049, 6098, 15245, 21343, 30490, 42686, 97499, 106715, 194998, 213430, 487495, 682493, 974990, 1364986, 3412465, 6824930, 297274451, 594548902, 1486372255, 2080921157, 2972744510, 4161842314, 10404605785, 20809211570]

約数ペア:

[(1, 20809211570), (2, 10404605785), (5, 4161842314), (7, 2972744510), (10, 2080921157), (14, 1486372255), (35, 594548902), (70, 297274451), (3049, 6824930), (6098, 3412465), (15245, 1364986), (21343, 974990), (30490, 682493), (42686, 487495), (97499, 213430), (106715, 194998)]