20279389

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 2219171

約数列:

[1, 13, 61, 107, 239, 793, 1391, 3107, 6527, 14579, 25573, 84851, 189527, 332449, 1559953, 20279389]

約数ペア:

[(1, 20279389), (13, 1559953), (61, 332449), (107, 189527), (239, 84851), (793, 25573), (1391, 14579), (3107, 6527)]