205369712

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{20939}}^1$

素因数の和:21560

約数の個数: 20

約数和(自身を含む): 398571960

約数和(自身を除く): 193202248

約数列:

[1, 2, 4, 8, 16, 613, 1226, 2452, 4904, 9808, 20939, 41878, 83756, 167512, 335024, 12835607, 25671214, 51342428, 102684856, 205369712]

約数ペア:

[(1, 205369712), (2, 102684856), (4, 51342428), (8, 25671214), (16, 12835607), (613, 335024), (1226, 167512), (2452, 83756), (4904, 41878), (9808, 20939)]