20574743

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4217}}^1$

素因数の和:4282

約数の個数: 16

約数和(自身を含む): 25510464

約数和(自身を除く): 4935721

約数列:

[1, 7, 17, 41, 119, 287, 697, 4217, 4879, 29519, 71689, 172897, 501823, 1210279, 2939249, 20574743]

約数ペア:

[(1, 20574743), (7, 2939249), (17, 1210279), (41, 501823), (119, 172897), (287, 71689), (697, 29519), (4217, 4879)]