20698140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344969}}^1$

素因数の和:344981

約数の個数: 24

約数和(自身を含む): 57954960

約数和(自身を除く): 37256820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344969, 689938, 1034907, 1379876, 1724845, 2069814, 3449690, 4139628, 5174535, 6899380, 10349070, 20698140]

約数ペア:

[(1, 20698140), (2, 10349070), (3, 6899380), (4, 5174535), (5, 4139628), (6, 3449690), (10, 2069814), (12, 1724845), (15, 1379876), (20, 1034907), (30, 689938), (60, 344969)]