20177372215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{310111}}^1$

素因数の和:310160

約数の個数: 48

約数和(自身を含む): 32688285696

約数和(自身を除く): 12510913481

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 169, 385, 455, 715, 845, 1001, 1183, 1859, 5005, 5915, 9295, 13013, 65065, 310111, 1550555, 2170777, 3411221, 4031443, 10853885, 17056105, 20157215, 23878547, 28220101, 44345873, 52408759, 119392735, 141100505, 221729365, 262043795, 310421111, 366861313, 576496349, 1552105555, 1834306565, 2882481745, 4035474443, 20177372215]

約数ペア:

[(1, 20177372215), (5, 4035474443), (7, 2882481745), (11, 1834306565), (13, 1552105555), (35, 576496349), (55, 366861313), (65, 310421111), (77, 262043795), (91, 221729365), (143, 141100505), (169, 119392735), (385, 52408759), (455, 44345873), (715, 28220101), (845, 23878547), (1001, 20157215), (1183, 17056105), (1859, 10853885), (5005, 4031443), (5915, 3411221), (9295, 2170777), (13013, 1550555), (65065, 310111)]