20906668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{307451}}^1$

素因数の和:307472

約数の個数: 12

約数和(自身を含む): 38738952

約数和(自身を除く): 17832284

約数列:

[1, 2, 4, 17, 34, 68, 307451, 614902, 1229804, 5226667, 10453334, 20906668]

約数ペア:

[(1, 20906668), (2, 10453334), (4, 5226667), (17, 1229804), (34, 614902), (68, 307451)]