20448028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2381}}^1$

素因数の和:2517

約数の個数: 24

約数和(自身を含む): 38016720

約数和(自身を除く): 17568692

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 452, 2147, 2381, 4294, 4762, 8588, 9524, 45239, 90478, 180956, 269053, 538106, 1076212, 5112007, 10224014, 20448028]

約数ペア:

[(1, 20448028), (2, 10224014), (4, 5112007), (19, 1076212), (38, 538106), (76, 269053), (113, 180956), (226, 90478), (452, 45239), (2147, 9524), (2381, 8588), (4294, 4762)]