20340296

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{149561}}^1$

素因数の和:149584

約数の個数: 16

約数和(自身を含む): 40381740

約数和(自身を除く): 20041444

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 149561, 299122, 598244, 1196488, 2542537, 5085074, 10170148, 20340296]

約数ペア:

[(1, 20340296), (2, 10170148), (4, 5085074), (8, 2542537), (17, 1196488), (34, 598244), (68, 299122), (136, 149561)]