20173458820

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2704217}}^1$

素因数の和:2704599

約数の個数: 24

約数和(自身を含む): 42477856344

約数和(自身を除く): 22304397524

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 3730, 7460, 2704217, 5408434, 10816868, 13521085, 27042170, 54084340, 1008672941, 2017345882, 4034691764, 5043364705, 10086729410, 20173458820]

約数ペア:

[(1, 20173458820), (2, 10086729410), (4, 5043364705), (5, 4034691764), (10, 2017345882), (20, 1008672941), (373, 54084340), (746, 27042170), (1492, 13521085), (1865, 10816868), (3730, 5408434), (7460, 2704217)]