20796605

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 25510464

約数和(自身を除く): 4713859

約数列:

[1, 5, 73, 227, 251, 365, 1135, 1255, 16571, 18323, 56977, 82855, 91615, 284885, 4159321, 20796605]

約数ペア:

[(1, 20796605), (5, 4159321), (73, 284885), (227, 91615), (251, 82855), (365, 56977), (1135, 18323), (1255, 16571)]