31809020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21787}}^1$

素因数の和:21869

約数の個数: 24

約数和(自身を含む): 67717104

約数和(自身を除く): 35908084

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 21787, 43574, 87148, 108935, 217870, 435740, 1590451, 3180902, 6361804, 7952255, 15904510, 31809020]

約数ペア:

[(1, 31809020), (2, 15904510), (4, 7952255), (5, 6361804), (10, 3180902), (20, 1590451), (73, 435740), (146, 217870), (292, 108935), (365, 87148), (730, 43574), (1460, 21787)]