201909968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{970721}}^1$

素因数の和:970742

約数の個数: 20

約数和(自身を含む): 421293348

約数和(自身を除く): 219383380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 970721, 1941442, 3882884, 7765768, 12619373, 15531536, 25238746, 50477492, 100954984, 201909968]

約数ペア:

[(1, 201909968), (2, 100954984), (4, 50477492), (8, 25238746), (13, 15531536), (16, 12619373), (26, 7765768), (52, 3882884), (104, 1941442), (208, 970721)]