20625052

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1801}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 41373920

約数和(自身を除く): 20748868

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 1801, 2863, 3602, 5726, 7204, 11452, 12607, 25214, 50428, 736609, 1473218, 2946436, 5156263, 10312526, 20625052]

約数ペア:

[(1, 20625052), (2, 10312526), (4, 5156263), (7, 2946436), (14, 1473218), (28, 736609), (409, 50428), (818, 25214), (1636, 12607), (1801, 11452), (2863, 7204), (3602, 5726)]