20284537

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2207}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 25224192

約数和(自身を除く): 4939655

約数列:

[1, 7, 13, 91, 101, 707, 1313, 2207, 9191, 15449, 28691, 200837, 222907, 1560349, 2897791, 20284537]

約数ペア:

[(1, 20284537), (7, 2897791), (13, 1560349), (91, 222907), (101, 200837), (707, 28691), (1313, 15449), (2207, 9191)]