20198404

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1559}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 16492796

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 316, 1559, 3118, 3239, 6236, 6478, 12956, 63919, 123161, 127838, 246322, 255676, 492644, 5049601, 10099202, 20198404]

約数ペア:

[(1, 20198404), (2, 10099202), (4, 5049601), (41, 492644), (79, 255676), (82, 246322), (158, 127838), (164, 123161), (316, 63919), (1559, 12956), (3118, 6478), (3239, 6236)]