20687411

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 22256640

約数和(自身を除く): 1569229

約数列:

[1, 29, 41, 127, 137, 1189, 3683, 3973, 5207, 5617, 17399, 151003, 162893, 504571, 713359, 20687411]

約数ペア:

[(1, 20687411), (29, 713359), (41, 504571), (127, 162893), (137, 151003), (1189, 17399), (3683, 5617), (3973, 5207)]