20724070

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 38851200

約数和(自身を除く): 18127130

約数列:

[1, 2, 5, 10, 37, 74, 79, 158, 185, 370, 395, 709, 790, 1418, 2923, 3545, 5846, 7090, 14615, 26233, 29230, 52466, 56011, 112022, 131165, 262330, 280055, 560110, 2072407, 4144814, 10362035, 20724070]

約数ペア:

[(1, 20724070), (2, 10362035), (5, 4144814), (10, 2072407), (37, 560110), (74, 280055), (79, 262330), (158, 131165), (185, 112022), (370, 56011), (395, 52466), (709, 29230), (790, 26233), (1418, 14615), (2923, 7090), (3545, 5846)]