20992884

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{443}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 32713356

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 359, 443, 718, 886, 1077, 1329, 1436, 1772, 2154, 2658, 3949, 4308, 4873, 5316, 7898, 9746, 11847, 14619, 15796, 19492, 23694, 29238, 47388, 58476, 159037, 318074, 477111, 636148, 954222, 1749407, 1908444, 3498814, 5248221, 6997628, 10496442, 20992884]

約数ペア:

[(1, 20992884), (2, 10496442), (3, 6997628), (4, 5248221), (6, 3498814), (11, 1908444), (12, 1749407), (22, 954222), (33, 636148), (44, 477111), (66, 318074), (132, 159037), (359, 58476), (443, 47388), (718, 29238), (886, 23694), (1077, 19492), (1329, 15796), (1436, 14619), (1772, 11847), (2154, 9746), (2658, 7898), (3949, 5316), (4308, 4873)]