20162513

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2053}}^1$

素因数の和:2144

約数の個数: 16

約数和(自身を含む): 24450816

約数和(自身を除く): 4288303

約数列:

[1, 7, 23, 61, 161, 427, 1403, 2053, 9821, 14371, 47219, 125233, 330533, 876631, 2880359, 20162513]

約数ペア:

[(1, 20162513), (7, 2880359), (23, 876631), (61, 330533), (161, 125233), (427, 47219), (1403, 14371), (2053, 9821)]