20494454785

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2087}}^1\times {\mathrm{14767}}^1$

素因数の和:16885

約数の個数: 32

約数和(自身を含む): 29602160640

約数和(自身を除く): 9107705855

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 2087, 10435, 14609, 14767, 39653, 73045, 73835, 103369, 198265, 277571, 280573, 516845, 1387855, 1402865, 1964011, 9820055, 30818729, 154093645, 215731103, 585555851, 1078655515, 2927779255, 4098890957, 20494454785]

約数ペア:

[(1, 20494454785), (5, 4098890957), (7, 2927779255), (19, 1078655515), (35, 585555851), (95, 215731103), (133, 154093645), (665, 30818729), (2087, 9820055), (10435, 1964011), (14609, 1402865), (14767, 1387855), (39653, 516845), (73045, 280573), (73835, 277571), (103369, 198265)]