20104775420

素因数分解:

$2^2\times 5^1\times {\mathrm{2719}}^1\times {\mathrm{369709}}^1$

素因数の和:372437

約数の個数: 24

約数和(自身を含む): 42235670400

約数和(自身を除く): 22130894980

約数列:

[1, 2, 4, 5, 10, 20, 2719, 5438, 10876, 13595, 27190, 54380, 369709, 739418, 1478836, 1848545, 3697090, 7394180, 1005238771, 2010477542, 4020955084, 5026193855, 10052387710, 20104775420]

約数ペア:

[(1, 20104775420), (2, 10052387710), (4, 5026193855), (5, 4020955084), (10, 2010477542), (20, 1005238771), (2719, 7394180), (5438, 3697090), (10876, 1848545), (13595, 1478836), (27190, 739418), (54380, 369709)]