20785862209

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4260271}}^1$

素因数の和:4260336

約数の個数: 16

約数和(自身を含む): 25766125056

約数和(自身を除く): 4980262847

約数列:

[1, 7, 17, 41, 119, 287, 697, 4879, 4260271, 29821897, 72424607, 174671111, 506972249, 1222697777, 2969408887, 20785862209]

約数ペア:

[(1, 20785862209), (7, 2969408887), (17, 1222697777), (41, 506972249), (119, 174671111), (287, 72424607), (697, 29821897), (4879, 4260271)]