20668450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37579}}^1$

素因数の和:37602

約数の個数: 24

約数和(自身を含む): 41939280

約数和(自身を除く): 21270830

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 37579, 75158, 187895, 375790, 413369, 826738, 939475, 1878950, 2066845, 4133690, 10334225, 20668450]

約数ペア:

[(1, 20668450), (2, 10334225), (5, 4133690), (10, 2066845), (11, 1878950), (22, 939475), (25, 826738), (50, 413369), (55, 375790), (110, 187895), (275, 75158), (550, 37579)]