20291172

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{443}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 51916032

約数和(自身を除く): 31624860

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 347, 443, 694, 886, 1041, 1329, 1388, 1772, 2082, 2658, 3817, 4164, 4873, 5316, 7634, 9746, 11451, 14619, 15268, 19492, 22902, 29238, 45804, 58476, 153721, 307442, 461163, 614884, 922326, 1690931, 1844652, 3381862, 5072793, 6763724, 10145586, 20291172]

約数ペア:

[(1, 20291172), (2, 10145586), (3, 6763724), (4, 5072793), (6, 3381862), (11, 1844652), (12, 1690931), (22, 922326), (33, 614884), (44, 461163), (66, 307442), (132, 153721), (347, 58476), (443, 45804), (694, 29238), (886, 22902), (1041, 19492), (1329, 15268), (1388, 14619), (1772, 11451), (2082, 9746), (2658, 7634), (3817, 5316), (4164, 4873)]