20005970425

素因数分解:

$5^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{403957}}^1$

素因数の和:404257

約数の個数: 24

約数和(自身を含む): 28451569856

約数和(自身を除く): 8445599431

約数列:

[1, 5, 7, 25, 35, 175, 283, 1415, 1981, 7075, 9905, 49525, 403957, 2019785, 2827699, 10098925, 14138495, 70692475, 114319831, 571599155, 800238817, 2857995775, 4001194085, 20005970425]

約数ペア:

[(1, 20005970425), (5, 4001194085), (7, 2857995775), (25, 800238817), (35, 571599155), (175, 114319831), (283, 70692475), (1415, 14138495), (1981, 10098925), (7075, 2827699), (9905, 2019785), (49525, 403957)]