20358481

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 5446319

約数列:

[1, 11, 13, 19, 59, 127, 143, 209, 247, 649, 767, 1121, 1397, 1651, 2413, 2717, 7493, 8437, 12331, 14573, 18161, 26543, 31369, 82423, 97409, 142367, 160303, 345059, 1071499, 1566037, 1850771, 20358481]

約数ペア:

[(1, 20358481), (11, 1850771), (13, 1566037), (19, 1071499), (59, 345059), (127, 160303), (143, 142367), (209, 97409), (247, 82423), (649, 31369), (767, 26543), (1121, 18161), (1397, 14573), (1651, 12331), (2413, 8437), (2717, 7493)]