20905966

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17747}}^1$

素因数の和:17799

約数の個数: 16

約数和(自身を含む): 34076160

約数和(自身を除く): 13170194

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 17747, 35494, 337193, 550157, 674386, 1100314, 10452983, 20905966]

約数ペア:

[(1, 20905966), (2, 10452983), (19, 1100314), (31, 674386), (38, 550157), (62, 337193), (589, 35494), (1178, 17747)]