20811434

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{87443}}^1$

素因数の和:87469

約数の個数: 16

約数和(自身を含む): 37775808

約数和(自身を除く): 16964374

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 87443, 174886, 612101, 1224202, 1486531, 2973062, 10405717, 20811434]

約数ペア:

[(1, 20811434), (2, 10405717), (7, 2973062), (14, 1486531), (17, 1224202), (34, 612101), (119, 174886), (238, 87443)]