20779812

素因数分解:

$2^2\times 3^2\times {\mathrm{379}}^1\times {\mathrm{1523}}^1$

素因数の和:1912

約数の個数: 36

約数和(自身を含む): 52699920

約数和(自身を除く): 31920108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 379, 758, 1137, 1516, 1523, 2274, 3046, 3411, 4548, 4569, 6092, 6822, 9138, 13644, 13707, 18276, 27414, 54828, 577217, 1154434, 1731651, 2308868, 3463302, 5194953, 6926604, 10389906, 20779812]

約数ペア:

[(1, 20779812), (2, 10389906), (3, 6926604), (4, 5194953), (6, 3463302), (9, 2308868), (12, 1731651), (18, 1154434), (36, 577217), (379, 54828), (758, 27414), (1137, 18276), (1516, 13707), (1523, 13644), (2274, 9138), (3046, 6822), (3411, 6092), (4548, 4569)]