20125945180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91481569}}^1$

素因数の和:91481589

約数の個数: 24

約数和(自身を含む): 46106711280

約数和(自身を除く): 25980766100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91481569, 182963138, 365926276, 457407845, 914815690, 1006297259, 1829631380, 2012594518, 4025189036, 5031486295, 10062972590, 20125945180]

約数ペア:

[(1, 20125945180), (2, 10062972590), (4, 5031486295), (5, 4025189036), (10, 2012594518), (11, 1829631380), (20, 1006297259), (22, 914815690), (44, 457407845), (55, 365926276), (110, 182963138), (220, 91481569)]