20513646

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{2707}}^1$

素因数の和:3136

約数の個数: 24

約数和(自身を含む): 44568264

約数和(自身を除く): 24054618

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 2707, 3789, 5414, 7578, 8121, 16242, 24363, 48726, 1139647, 2279294, 3418941, 6837882, 10256823, 20513646]

約数ペア:

[(1, 20513646), (2, 10256823), (3, 6837882), (6, 3418941), (9, 2279294), (18, 1139647), (421, 48726), (842, 24363), (1263, 16242), (2526, 8121), (2707, 7578), (3789, 5414)]