20854928

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56671}}^1$

素因数の和:56702

約数の個数: 20

約数和(自身を含む): 42163968

約数和(自身を除く): 21309040

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56671, 113342, 226684, 453368, 906736, 1303433, 2606866, 5213732, 10427464, 20854928]

約数ペア:

[(1, 20854928), (2, 10427464), (4, 5213732), (8, 2606866), (16, 1303433), (23, 906736), (46, 453368), (92, 226684), (184, 113342), (368, 56671)]