20172597968

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23788441}}^1$

素因数の和:23788502

約数の個数: 20

約数和(自身を含む): 39821851908

約数和(自身を除く): 19649253940

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23788441, 47576882, 95153764, 190307528, 380615056, 1260787373, 2521574746, 5043149492, 10086298984, 20172597968]

約数ペア:

[(1, 20172597968), (2, 10086298984), (4, 5043149492), (8, 2521574746), (16, 1260787373), (53, 380615056), (106, 190307528), (212, 95153764), (424, 47576882), (848, 23788441)]