202952180

素因数分解:

$2^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{5107}}^1$

素因数の和:7103

約数の個数: 24

約数和(自身を含む): 426497568

約数和(自身を除く): 223545388

約数列:

[1, 2, 4, 5, 10, 20, 1987, 3974, 5107, 7948, 9935, 10214, 19870, 20428, 25535, 39740, 51070, 102140, 10147609, 20295218, 40590436, 50738045, 101476090, 202952180]

約数ペア:

[(1, 202952180), (2, 101476090), (4, 50738045), (5, 40590436), (10, 20295218), (20, 10147609), (1987, 102140), (3974, 51070), (5107, 39740), (7948, 25535), (9935, 20428), (10214, 19870)]