20175132340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10687}}^1\times {\mathrm{8581}}^1$

素因数の和:19288

約数の個数: 48

約数和(自身を含む): 46229105664

約数和(自身を除く): 26053973324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8581, 10687, 17162, 21374, 34324, 42748, 42905, 53435, 85810, 94391, 106870, 117557, 171620, 188782, 213740, 235114, 377564, 470228, 471955, 587785, 943910, 1175570, 1887820, 2351140, 91705147, 183410294, 366820588, 458525735, 917051470, 1008756617, 1834102940, 2017513234, 4035026468, 5043783085, 10087566170, 20175132340]

約数ペア:

[(1, 20175132340), (2, 10087566170), (4, 5043783085), (5, 4035026468), (10, 2017513234), (11, 1834102940), (20, 1008756617), (22, 917051470), (44, 458525735), (55, 366820588), (110, 183410294), (220, 91705147), (8581, 2351140), (10687, 1887820), (17162, 1175570), (21374, 943910), (34324, 587785), (42748, 471955), (42905, 470228), (53435, 377564), (85810, 235114), (94391, 213740), (106870, 188782), (117557, 171620)]