20398730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4523}}^1$

素因数の和:4582

約数の個数: 32

約数和(自身を含む): 41041728

約数和(自身を除く): 20642998

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 4523, 9046, 22615, 45230, 49753, 99506, 185443, 248765, 370886, 497530, 927215, 1854430, 2039873, 4079746, 10199365, 20398730]

約数ペア:

[(1, 20398730), (2, 10199365), (5, 4079746), (10, 2039873), (11, 1854430), (22, 927215), (41, 497530), (55, 370886), (82, 248765), (110, 185443), (205, 99506), (410, 49753), (451, 45230), (902, 22615), (2255, 9046), (4510, 4523)]