20040321

素因数分解:

$3^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{3257}}^1$

素因数の和:3560

約数の個数: 16

約数和(自身を含む): 30651264

約数和(自身を除く): 10610943

約数列:

[1, 3, 7, 21, 293, 879, 2051, 3257, 6153, 9771, 22799, 68397, 954301, 2862903, 6680107, 20040321]

約数ペア:

[(1, 20040321), (3, 6680107), (7, 2862903), (21, 954301), (293, 68397), (879, 22799), (2051, 9771), (3257, 6153)]