20920634

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78649}}^1$

素因数の和:78677

約数の個数: 16

約数和(自身を含む): 37752000

約数和(自身を除く): 16831366

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 78649, 157298, 550543, 1101086, 1494331, 2988662, 10460317, 20920634]

約数ペア:

[(1, 20920634), (2, 10460317), (7, 2988662), (14, 1494331), (19, 1101086), (38, 550543), (133, 157298), (266, 78649)]