20189968

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13009}}^1$

素因数の和:13114

約数の個数: 20

約数和(自身を含む): 39524380

約数和(自身を除く): 19334412

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13009, 26018, 52036, 104072, 208144, 1261873, 2523746, 5047492, 10094984, 20189968]

約数ペア:

[(1, 20189968), (2, 10094984), (4, 5047492), (8, 2523746), (16, 1261873), (97, 208144), (194, 104072), (388, 52036), (776, 26018), (1552, 13009)]