20370845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21787}}^1$

素因数の和:21820

約数の個数: 16

約数和(自身を含む): 28237248

約数和(自身を除く): 7866403

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 21787, 108935, 239657, 370379, 1198285, 1851895, 4074169, 20370845]

約数ペア:

[(1, 20370845), (5, 4074169), (11, 1851895), (17, 1198285), (55, 370379), (85, 239657), (187, 108935), (935, 21787)]