20996632

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154387}}^1$

素因数の和:154410

約数の個数: 16

約数和(自身を含む): 41684760

約数和(自身を除く): 20688128

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154387, 308774, 617548, 1235096, 2624579, 5249158, 10498316, 20996632]

約数ペア:

[(1, 20996632), (2, 10498316), (4, 5249158), (8, 2624579), (17, 1235096), (34, 617548), (68, 308774), (136, 154387)]