20188586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21341}}^1$

素因数の和:21397

約数の個数: 16

約数和(自身を含む): 33805728

約数和(自身を除く): 13617142

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21341, 42682, 234751, 469502, 917663, 1835326, 10094293, 20188586]

約数ペア:

[(1, 20188586), (2, 10094293), (11, 1835326), (22, 917663), (43, 469502), (86, 234751), (473, 42682), (946, 21341)]