20786620005

素因数分解:

$3^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{456899}}^1$

素因数の和:457250

約数の個数: 32

約数和(自身を含む): 37063728000

約数和(自身を除く): 16277107995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 337, 1011, 1685, 3033, 5055, 9099, 15165, 45495, 456899, 1370697, 2284495, 4112091, 6853485, 12336273, 20560455, 61681365, 153974963, 461924889, 769874815, 1385774667, 2309624445, 4157324001, 6928873335, 20786620005]

約数ペア:

[(1, 20786620005), (3, 6928873335), (5, 4157324001), (9, 2309624445), (15, 1385774667), (27, 769874815), (45, 461924889), (135, 153974963), (337, 61681365), (1011, 20560455), (1685, 12336273), (3033, 6853485), (5055, 4112091), (9099, 2284495), (15165, 1370697), (45495, 456899)]