20215942

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5563}}^1$

素因数の和:5667

約数の個数: 16

約数和(自身を含む): 32048640

約数和(自身を除く): 11832698

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3634, 5563, 11126, 127949, 255898, 439477, 878954, 10107971, 20215942]

約数ペア:

[(1, 20215942), (2, 10107971), (23, 878954), (46, 439477), (79, 255898), (158, 127949), (1817, 11126), (3634, 5563)]