20172144385

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 25607007360

約数和(自身を除く): 5434862975

約数列:

[1, 5, 31, 73, 131, 155, 365, 439, 655, 961, 2195, 2263, 4061, 4805, 9563, 11315, 13609, 20305, 32047, 47815, 57509, 68045, 70153, 125891, 160235, 287545, 296453, 350765, 421879, 629455, 993457, 1482265, 1782779, 2109395, 4198157, 4967285, 8913895, 9190043, 20990785, 30797167, 45950215, 55266149, 130142867, 153985835, 276330745, 650714335, 4034428877, 20172144385]

約数ペア:

[(1, 20172144385), (5, 4034428877), (31, 650714335), (73, 276330745), (131, 153985835), (155, 130142867), (365, 55266149), (439, 45950215), (655, 30797167), (961, 20990785), (2195, 9190043), (2263, 8913895), (4061, 4967285), (4805, 4198157), (9563, 2109395), (11315, 1782779), (13609, 1482265), (20305, 993457), (32047, 629455), (47815, 421879), (57509, 350765), (68045, 296453), (70153, 287545), (125891, 160235)]