20804954002

素因数分解:

$2^1\times 7^2\times {\mathrm{27791}}^1\times {\mathrm{7639}}^1$

素因数の和:35446

約数の個数: 24

約数和(自身を含む): 36308580480

約数和(自身を除く): 15503626478

約数列:

[1, 2, 7, 14, 49, 98, 7639, 15278, 27791, 53473, 55582, 106946, 194537, 374311, 389074, 748622, 1361759, 2723518, 212295449, 424590898, 1486068143, 2972136286, 10402477001, 20804954002]

約数ペア:

[(1, 20804954002), (2, 10402477001), (7, 2972136286), (14, 1486068143), (49, 424590898), (98, 212295449), (7639, 2723518), (15278, 1361759), (27791, 748622), (53473, 389074), (55582, 374311), (106946, 194537)]