20916974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17117}}^1$

素因数の和:17179

約数の個数: 16

約数和(自身を含む): 34509888

約数和(自身を除く): 13592914

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 17117, 34234, 222521, 445042, 804499, 1608998, 10458487, 20916974]

約数ペア:

[(1, 20916974), (2, 10458487), (13, 1608998), (26, 804499), (47, 445042), (94, 222521), (611, 34234), (1222, 17117)]