20518277

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 23253888

約数和(自身を除く): 2735611

約数列:

[1, 13, 23, 163, 299, 421, 2119, 3749, 5473, 9683, 48737, 68623, 125879, 892099, 1578329, 20518277]

約数ペア:

[(1, 20518277), (13, 1578329), (23, 892099), (163, 125879), (299, 68623), (421, 48737), (2119, 9683), (3749, 5473)]