20587820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93581}}^1$

素因数の和:93601

約数の個数: 24

約数和(自身を含む): 47165328

約数和(自身を除く): 26577508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 93581, 187162, 374324, 467905, 935810, 1029391, 1871620, 2058782, 4117564, 5146955, 10293910, 20587820]

約数ペア:

[(1, 20587820), (2, 10293910), (4, 5146955), (5, 4117564), (10, 2058782), (11, 1871620), (20, 1029391), (22, 935810), (44, 467905), (55, 374324), (110, 187162), (220, 93581)]