20342665

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18749}}^1$

素因数の和:18792

約数の個数: 16

約数和(自身を含む): 28800000

約数和(自身を除く): 8457335

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 18749, 93745, 131243, 581219, 656215, 2906095, 4068533, 20342665]

約数ペア:

[(1, 20342665), (5, 4068533), (7, 2906095), (31, 656215), (35, 581219), (155, 131243), (217, 93745), (1085, 18749)]