20397024245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1669}}^1\times {\mathrm{188017}}^1$

素因数の和:189704

約数の個数: 16

約数和(自身を含む): 26375165040

約数和(自身を除く): 5978140795

約数列:

[1, 5, 13, 65, 1669, 8345, 21697, 108485, 188017, 940085, 2444221, 12221105, 313800373, 1569001865, 4079404849, 20397024245]

約数ペア:

[(1, 20397024245), (5, 4079404849), (13, 1569001865), (65, 313800373), (1669, 12221105), (8345, 2444221), (21697, 940085), (108485, 188017)]