20139356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{839}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 37467360

約数和(自身を除く): 17328004

約数列:

[1, 2, 4, 17, 34, 68, 353, 706, 839, 1412, 1678, 3356, 6001, 12002, 14263, 24004, 28526, 57052, 296167, 592334, 1184668, 5034839, 10069678, 20139356]

約数ペア:

[(1, 20139356), (2, 10069678), (4, 5034839), (17, 1184668), (34, 592334), (68, 296167), (353, 57052), (706, 28526), (839, 24004), (1412, 14263), (1678, 12002), (3356, 6001)]