20825180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33589}}^1$

素因数の和:33629

約数の個数: 24

約数和(自身を含む): 45144960

約数和(自身を除く): 24319780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33589, 67178, 134356, 167945, 335890, 671780, 1041259, 2082518, 4165036, 5206295, 10412590, 20825180]

約数ペア:

[(1, 20825180), (2, 10412590), (4, 5206295), (5, 4165036), (10, 2082518), (20, 1041259), (31, 671780), (62, 335890), (124, 167945), (155, 134356), (310, 67178), (620, 33589)]