20401006

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1571}}^1$

素因数の和:1767

約数の個数: 16

約数和(自身を含む): 31540608

約数和(自身を除く): 11139602

約数列:

[1, 2, 43, 86, 151, 302, 1571, 3142, 6493, 12986, 67553, 135106, 237221, 474442, 10200503, 20401006]

約数ペア:

[(1, 20401006), (2, 10200503), (43, 474442), (86, 237221), (151, 135106), (302, 67553), (1571, 12986), (3142, 6493)]