20180368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97021}}^1$

素因数の和:97042

約数の個数: 20

約数和(自身を含む): 42107548

約数和(自身を除く): 21927180

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97021, 194042, 388084, 776168, 1261273, 1552336, 2522546, 5045092, 10090184, 20180368]

約数ペア:

[(1, 20180368), (2, 10090184), (4, 5045092), (8, 2522546), (13, 1552336), (16, 1261273), (26, 776168), (52, 388084), (104, 194042), (208, 97021)]