20123758837

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1\times {\mathrm{3889}}^1$

素因数の和:4573

約数の個数: 32

約数和(自身を含む): 25063799040

約数和(自身を除く): 4940040203

約数列:

[1, 7, 13, 91, 101, 563, 707, 1313, 3889, 3941, 7319, 9191, 27223, 50557, 51233, 56863, 353899, 392789, 398041, 739219, 2189507, 2749523, 5106257, 5174533, 15326549, 28463591, 35743799, 199245137, 221140207, 1547981449, 2874822691, 20123758837]

約数ペア:

[(1, 20123758837), (7, 2874822691), (13, 1547981449), (91, 221140207), (101, 199245137), (563, 35743799), (707, 28463591), (1313, 15326549), (3889, 5174533), (3941, 5106257), (7319, 2749523), (9191, 2189507), (27223, 739219), (50557, 398041), (51233, 392789), (56863, 353899)]