20743975

素因数分解:

$5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1049}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 29685600

約数和(自身を除く): 8941625

約数列:

[1, 5, 7, 25, 35, 113, 175, 565, 791, 1049, 2825, 3955, 5245, 7343, 19775, 26225, 36715, 118537, 183575, 592685, 829759, 2963425, 4148795, 20743975]

約数ペア:

[(1, 20743975), (5, 4148795), (7, 2963425), (25, 829759), (35, 592685), (113, 183575), (175, 118537), (565, 36715), (791, 26225), (1049, 19775), (2825, 7343), (3955, 5245)]