20081005

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30197}}^1$

素因数の和:30228

約数の個数: 16

約数和(自身を含む): 28990080

約数和(自身を除く): 8909075

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30197, 150985, 211379, 573743, 1056895, 2868715, 4016201, 20081005]

約数ペア:

[(1, 20081005), (5, 4016201), (7, 2868715), (19, 1056895), (35, 573743), (95, 211379), (133, 150985), (665, 30197)]