20245700240

素因数分解:

$2^4\times 5^1\times {\mathrm{253071253}}^1$

素因数の和:253071266

約数の個数: 20

約数和(自身を含む): 47071253244

約数和(自身を除く): 26825553004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 253071253, 506142506, 1012285012, 1265356265, 2024570024, 2530712530, 4049140048, 5061425060, 10122850120, 20245700240]

約数ペア:

[(1, 20245700240), (2, 10122850120), (4, 5061425060), (5, 4049140048), (8, 2530712530), (10, 2024570024), (16, 1265356265), (20, 1012285012), (40, 506142506), (80, 253071253)]