20444818

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{601}}^1$

素因数の和:909

約数の個数: 16

約数和(自身を含む): 31272696

約数和(自身を除く): 10827878

約数列:

[1, 2, 73, 146, 233, 466, 601, 1202, 17009, 34018, 43873, 87746, 140033, 280066, 10222409, 20444818]

約数ペア:

[(1, 20444818), (2, 10222409), (73, 280066), (146, 140033), (233, 87746), (466, 43873), (601, 34018), (1202, 17009)]