20157746

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75781}}^1$

素因数の和:75809

約数の個数: 16

約数和(自身を含む): 36375360

約数和(自身を除く): 16217614

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 75781, 151562, 530467, 1060934, 1439839, 2879678, 10078873, 20157746]

約数ペア:

[(1, 20157746), (2, 10078873), (7, 2879678), (14, 1439839), (19, 1060934), (38, 530467), (133, 151562), (266, 75781)]