20186920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38821}}^1$

素因数の和:38845

約数の個数: 32

約数和(自身を含む): 48915720

約数和(自身を除く): 28728800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38821, 77642, 155284, 194105, 310568, 388210, 504673, 776420, 1009346, 1552840, 2018692, 2523365, 4037384, 5046730, 10093460, 20186920]

約数ペア:

[(1, 20186920), (2, 10093460), (4, 5046730), (5, 4037384), (8, 2523365), (10, 2018692), (13, 1552840), (20, 1009346), (26, 776420), (40, 504673), (52, 388210), (65, 310568), (104, 194105), (130, 155284), (260, 77642), (520, 38821)]