20147810185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{8287}}^1\times {\mathrm{28603}}^1$

素因数の和:36912

約数の個数: 16

約数和(自身を含む): 25603554816

約数和(自身を除く): 5455744631

約数列:

[1, 5, 17, 85, 8287, 28603, 41435, 140879, 143015, 486251, 704395, 2431255, 237033061, 1185165305, 4029562037, 20147810185]

約数ペア:

[(1, 20147810185), (5, 4029562037), (17, 1185165305), (85, 237033061), (8287, 2431255), (28603, 704395), (41435, 486251), (140879, 143015)]