20197802287

素因数分解:

${\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{500057}}^1$

素因数の和:500322

約数の個数: 12

約数和(自身を含む): 21962547360

約数和(自身を除く): 1764745073

約数列:

[1, 13, 169, 239, 3107, 40391, 500057, 6500741, 84509633, 119513623, 1553677099, 20197802287]

約数ペア:

[(1, 20197802287), (13, 1553677099), (169, 119513623), (239, 84509633), (3107, 6500741), (40391, 500057)]