20178026320

素因数分解:

$2^4\times 5^1\times {\mathrm{252225329}}^1$

素因数の和:252225342

約数の個数: 20

約数和(自身を含む): 46913911380

約数和(自身を除く): 26735885060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252225329, 504450658, 1008901316, 1261126645, 2017802632, 2522253290, 4035605264, 5044506580, 10089013160, 20178026320]

約数ペア:

[(1, 20178026320), (2, 10089013160), (4, 5044506580), (5, 4035605264), (8, 2522253290), (10, 2017802632), (16, 1261126645), (20, 1008901316), (40, 504450658), (80, 252225329)]