20408519407

素因数分解:

${\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1\times {\mathrm{5039}}^1$

素因数の和:5730

約数の個数: 16

約数和(自身を含む): 20923056000

約数和(自身を除く): 514536593

約数列:

[1, 73, 109, 509, 5039, 7957, 37157, 55481, 367847, 549251, 2564851, 4050113, 40095323, 187234123, 279568759, 20408519407]

約数ペア:

[(1, 20408519407), (73, 279568759), (109, 187234123), (509, 40095323), (5039, 4050113), (7957, 2564851), (37157, 549251), (55481, 367847)]