20988676

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1201}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 39074616

約数和(自身を除く): 18085940

約数列:

[1, 2, 4, 17, 34, 68, 257, 514, 1028, 1201, 2402, 4369, 4804, 8738, 17476, 20417, 40834, 81668, 308657, 617314, 1234628, 5247169, 10494338, 20988676]

約数ペア:

[(1, 20988676), (2, 10494338), (4, 5247169), (17, 1234628), (34, 617314), (68, 308657), (257, 81668), (514, 40834), (1028, 20417), (1201, 17476), (2402, 8738), (4369, 4804)]