20218573599

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2926411}}^1$

素因数の和:2926475

約数の個数: 24

約数和(自身を含む): 32026652928

約数和(自身を除く): 11808079329

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 2926411, 8779233, 20484877, 61454631, 137541317, 143394139, 412623951, 430182417, 962789219, 2888367657, 6739524533, 20218573599]

約数ペア:

[(1, 20218573599), (3, 6739524533), (7, 2888367657), (21, 962789219), (47, 430182417), (49, 412623951), (141, 143394139), (147, 137541317), (329, 61454631), (987, 20484877), (2303, 8779233), (6909, 2926411)]