20018672

素因数分解:

$2^4\times {\mathrm{727}}^1\times {\mathrm{1721}}^1$

素因数の和:2456

約数の個数: 20

約数和(自身を含む): 38862096

約数和(自身を除く): 18843424

約数列:

[1, 2, 4, 8, 16, 727, 1454, 1721, 2908, 3442, 5816, 6884, 11632, 13768, 27536, 1251167, 2502334, 5004668, 10009336, 20018672]

約数ペア:

[(1, 20018672), (2, 10009336), (4, 5004668), (8, 2502334), (16, 1251167), (727, 27536), (1454, 13768), (1721, 11632), (2908, 6884), (3442, 5816)]