20768156981

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{33767}}^1$

素因数の和:33842

約数の個数: 48

約数和(自身を含む): 27162438912

約数和(自身を除く): 6394281931

約数列:

[1, 11, 13, 17, 23, 121, 143, 187, 221, 253, 299, 391, 1573, 2057, 2431, 2783, 3289, 4301, 5083, 26741, 33767, 36179, 47311, 55913, 371437, 438971, 574039, 615043, 776641, 4085807, 4828681, 6314429, 7462507, 8543051, 10096333, 13202897, 53115491, 69458719, 82087577, 93973561, 111059663, 145231867, 171637661, 902963347, 1221656293, 1597550537, 1888014271, 20768156981]

約数ペア:

[(1, 20768156981), (11, 1888014271), (13, 1597550537), (17, 1221656293), (23, 902963347), (121, 171637661), (143, 145231867), (187, 111059663), (221, 93973561), (253, 82087577), (299, 69458719), (391, 53115491), (1573, 13202897), (2057, 10096333), (2431, 8543051), (2783, 7462507), (3289, 6314429), (4301, 4828681), (5083, 4085807), (26741, 776641), (33767, 615043), (36179, 574039), (47311, 438971), (55913, 371437)]