20565418

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1669}}^1$

素因数の和:1833

約数の個数: 16

約数和(自身を含む): 31683240

約数和(自身を除く): 11117822

約数列:

[1, 2, 61, 101, 122, 202, 1669, 3338, 6161, 12322, 101809, 168569, 203618, 337138, 10282709, 20565418]

約数ペア:

[(1, 20565418), (2, 10282709), (61, 337138), (101, 203618), (122, 168569), (202, 101809), (1669, 12322), (3338, 6161)]