20512212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2161}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 55208832

約数和(自身を除く): 34696620

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 113, 226, 339, 452, 678, 791, 1356, 1582, 2161, 2373, 3164, 4322, 4746, 6483, 8644, 9492, 12966, 15127, 25932, 30254, 45381, 60508, 90762, 181524, 244193, 488386, 732579, 976772, 1465158, 1709351, 2930316, 3418702, 5128053, 6837404, 10256106, 20512212]

約数ペア:

[(1, 20512212), (2, 10256106), (3, 6837404), (4, 5128053), (6, 3418702), (7, 2930316), (12, 1709351), (14, 1465158), (21, 976772), (28, 732579), (42, 488386), (84, 244193), (113, 181524), (226, 90762), (339, 60508), (452, 45381), (678, 30254), (791, 25932), (1356, 15127), (1582, 12966), (2161, 9492), (2373, 8644), (3164, 6483), (4322, 4746)]