20272644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{80447}}^1$

素因数の和:80464

約数の個数: 36

約数和(自身を含む): 58566144

約数和(自身を除く): 38293500

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 80447, 160894, 241341, 321788, 482682, 563129, 724023, 965364, 1126258, 1448046, 1689387, 2252516, 2896092, 3378774, 5068161, 6757548, 10136322, 20272644]

約数ペア:

[(1, 20272644), (2, 10136322), (3, 6757548), (4, 5068161), (6, 3378774), (7, 2896092), (9, 2252516), (12, 1689387), (14, 1448046), (18, 1126258), (21, 965364), (28, 724023), (36, 563129), (42, 482682), (63, 321788), (84, 241341), (126, 160894), (252, 80447)]