20249480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10771}}^1$

素因数の和:10829

約数の個数: 32

約数和(自身を含む): 46535040

約数和(自身を除く): 26285560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10771, 21542, 43084, 53855, 86168, 107710, 215420, 430840, 506237, 1012474, 2024948, 2531185, 4049896, 5062370, 10124740, 20249480]

約数ペア:

[(1, 20249480), (2, 10124740), (4, 5062370), (5, 4049896), (8, 2531185), (10, 2024948), (20, 1012474), (40, 506237), (47, 430840), (94, 215420), (188, 107710), (235, 86168), (376, 53855), (470, 43084), (940, 21542), (1880, 10771)]