20861072

素因数分解:

$2^4\times {\mathrm{1021}}^1\times {\mathrm{1277}}^1$

素因数の和:2306

約数の個数: 20

約数和(自身を含む): 40489596

約数和(自身を除く): 19628524

約数列:

[1, 2, 4, 8, 16, 1021, 1277, 2042, 2554, 4084, 5108, 8168, 10216, 16336, 20432, 1303817, 2607634, 5215268, 10430536, 20861072]

約数ペア:

[(1, 20861072), (2, 10430536), (4, 5215268), (8, 2607634), (16, 1303817), (1021, 20432), (1277, 16336), (2042, 10216), (2554, 8168), (4084, 5108)]