20393135

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4253}}^1$

素因数の和:4402

約数の個数: 16

約数和(自身を含む): 28178496

約数和(自身を除く): 7785361

約数列:

[1, 5, 7, 35, 137, 685, 959, 4253, 4795, 21265, 29771, 148855, 582661, 2913305, 4078627, 20393135]

約数ペア:

[(1, 20393135), (5, 4078627), (7, 2913305), (35, 582661), (137, 148855), (685, 29771), (959, 21265), (4253, 4795)]