20178027440

素因数分解:

$2^4\times 5^1\times {\mathrm{252225343}}^1$

素因数の和:252225356

約数の個数: 20

約数和(自身を含む): 46913913984

約数和(自身を除く): 26735886544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252225343, 504450686, 1008901372, 1261126715, 2017802744, 2522253430, 4035605488, 5044506860, 10089013720, 20178027440]

約数ペア:

[(1, 20178027440), (2, 10089013720), (4, 5044506860), (5, 4035605488), (8, 2522253430), (10, 2017802744), (16, 1261126715), (20, 1008901372), (40, 504450686), (80, 252225343)]