20168919748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15610619}}^1$

素因数の和:15610659

約数の個数: 24

約数和(自身を含む): 39338762400

約数和(自身を除く): 19169842652

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15610619, 31221238, 62442476, 265380523, 296601761, 530761046, 593203522, 1061522092, 1186407044, 5042229937, 10084459874, 20168919748]

約数ペア:

[(1, 20168919748), (2, 10084459874), (4, 5042229937), (17, 1186407044), (19, 1061522092), (34, 593203522), (38, 530761046), (68, 296601761), (76, 265380523), (323, 62442476), (646, 31221238), (1292, 15610619)]