20959983

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1013}}^1$

素因数の和:1060

約数の個数: 36

約数和(自身を含む): 35064120

約数和(自身を除く): 14104137

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 363, 627, 1013, 1089, 1881, 2299, 3039, 6897, 9117, 11143, 19247, 20691, 33429, 57741, 100287, 122573, 173223, 211717, 367719, 635151, 1103157, 1905453, 2328887, 6986661, 20959983]

約数ペア:

[(1, 20959983), (3, 6986661), (9, 2328887), (11, 1905453), (19, 1103157), (33, 635151), (57, 367719), (99, 211717), (121, 173223), (171, 122573), (209, 100287), (363, 57741), (627, 33429), (1013, 20691), (1089, 19247), (1881, 11143), (2299, 9117), (3039, 6897)]