20797518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9343}}^1$

素因数の和:9408

約数の個数: 32

約数和(自身を含む): 48439296

約数和(自身を除く): 27641778

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9343, 18686, 28029, 56058, 65401, 130802, 196203, 392406, 495179, 990358, 1485537, 2971074, 3466253, 6932506, 10398759, 20797518]

約数ペア:

[(1, 20797518), (2, 10398759), (3, 6932506), (6, 3466253), (7, 2971074), (14, 1485537), (21, 990358), (42, 495179), (53, 392406), (106, 196203), (159, 130802), (318, 65401), (371, 56058), (742, 28029), (1113, 18686), (2226, 9343)]