20512323088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67474747}}^1$

素因数の和:67474774

約数の個数: 20

約数和(自身を含む): 41834343760

約数和(自身を除く): 21322020672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67474747, 134949494, 269898988, 539797976, 1079595952, 1282020193, 2564040386, 5128080772, 10256161544, 20512323088]

約数ペア:

[(1, 20512323088), (2, 10256161544), (4, 5128080772), (8, 2564040386), (16, 1282020193), (19, 1079595952), (38, 539797976), (76, 269898988), (152, 134949494), (304, 67474747)]