20738628305

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1\times {\mathrm{46349}}^1$

素因数の和:47284

約数の個数: 16

約数和(自身を含む): 25145802000

約数和(自身を除く): 4407173695

約数列:

[1, 5, 109, 545, 821, 4105, 46349, 89489, 231745, 447445, 5052041, 25260205, 38052529, 190262645, 4147725661, 20738628305]

約数ペア:

[(1, 20738628305), (5, 4147725661), (109, 190262645), (545, 38052529), (821, 25260205), (4105, 5052041), (46349, 447445), (89489, 231745)]