20896095

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 38112480

約数和(自身を除く): 17216385

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 121, 145, 165, 319, 363, 397, 435, 605, 957, 1191, 1595, 1815, 1985, 3509, 4367, 4785, 5955, 10527, 11513, 13101, 17545, 21835, 34539, 48037, 52635, 57565, 65505, 126643, 144111, 172695, 240185, 379929, 633215, 720555, 1393073, 1899645, 4179219, 6965365, 20896095]

約数ペア:

[(1, 20896095), (3, 6965365), (5, 4179219), (11, 1899645), (15, 1393073), (29, 720555), (33, 633215), (55, 379929), (87, 240185), (121, 172695), (145, 144111), (165, 126643), (319, 65505), (363, 57565), (397, 52635), (435, 48037), (605, 34539), (957, 21835), (1191, 17545), (1595, 13101), (1815, 11513), (1985, 10527), (3509, 5955), (4367, 4785)]