20198874

素因数分解:

$2^1\times 3^1\times {\mathrm{409}}^1\times {\mathrm{8231}}^1$

素因数の和:8645

約数の個数: 16

約数和(自身を含む): 40501440

約数和(自身を除く): 20302566

約数列:

[1, 2, 3, 6, 409, 818, 1227, 2454, 8231, 16462, 24693, 49386, 3366479, 6732958, 10099437, 20198874]

約数ペア:

[(1, 20198874), (2, 10099437), (3, 6732958), (6, 3366479), (409, 49386), (818, 24693), (1227, 16462), (2454, 8231)]