20638782

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67447}}^1$

素因数の和:67472

約数の個数: 24

約数和(自身を含む): 47348496

約数和(自身を除く): 26709714

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 67447, 134894, 202341, 404682, 607023, 1146599, 1214046, 2293198, 3439797, 6879594, 10319391, 20638782]

約数ペア:

[(1, 20638782), (2, 10319391), (3, 6879594), (6, 3439797), (9, 2293198), (17, 1214046), (18, 1146599), (34, 607023), (51, 404682), (102, 202341), (153, 134894), (306, 67447)]