20879663630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{298280909}}^1$

素因数の和:298280923

約数の個数: 16

約数和(自身を含む): 42952451040

約数和(自身を除く): 22072787410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 298280909, 596561818, 1491404545, 2087966363, 2982809090, 4175932726, 10439831815, 20879663630]

約数ペア:

[(1, 20879663630), (2, 10439831815), (5, 4175932726), (7, 2982809090), (10, 2087966363), (14, 1491404545), (35, 596561818), (70, 298280909)]