20513474

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:985

約数の個数: 16

約数和(自身を含む): 31458240

約数和(自身を除く): 10944766

約数列:

[1, 2, 59, 118, 263, 526, 661, 1322, 15517, 31034, 38999, 77998, 173843, 347686, 10256737, 20513474]

約数ペア:

[(1, 20513474), (2, 10256737), (59, 347686), (118, 173843), (263, 77998), (526, 38999), (661, 31034), (1322, 15517)]