20942968

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23167}}^1$

素因数の和:23286

約数の個数: 16

約数和(自身を含む): 39617280

約数和(自身を除く): 18674312

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23167, 46334, 92668, 185336, 2617871, 5235742, 10471484, 20942968]

約数ペア:

[(1, 20942968), (2, 10471484), (4, 5235742), (8, 2617871), (113, 185336), (226, 92668), (452, 46334), (904, 23167)]