20766020

素因数分解:

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

素因数の和:8612

約数の個数: 36

約数和(自身を含む): 47939052

約数和(自身を除く): 27173032

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8581, 17162, 34324, 42905, 85810, 94391, 171620, 188782, 377564, 471955, 943910, 1038301, 1887820, 2076602, 4153204, 5191505, 10383010, 20766020]

約数ペア:

[(1, 20766020), (2, 10383010), (4, 5191505), (5, 4153204), (10, 2076602), (11, 1887820), (20, 1038301), (22, 943910), (44, 471955), (55, 377564), (110, 188782), (121, 171620), (220, 94391), (242, 85810), (484, 42905), (605, 34324), (1210, 17162), (2420, 8581)]