20090406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{478343}}^1$

素因数の和:478355

約数の個数: 16

約数和(自身を含む): 45921024

約数和(自身を除く): 25830618

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 478343, 956686, 1435029, 2870058, 3348401, 6696802, 10045203, 20090406]

約数ペア:

[(1, 20090406), (2, 10045203), (3, 6696802), (6, 3348401), (7, 2870058), (14, 1435029), (21, 956686), (42, 478343)]