20362485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18247947

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 121, 143, 165, 195, 363, 429, 605, 715, 863, 1573, 1815, 2145, 2589, 4315, 4719, 7865, 9493, 11219, 12945, 23595, 28479, 33657, 47465, 56095, 104423, 123409, 142395, 168285, 313269, 370227, 522115, 617045, 1357499, 1566345, 1851135, 4072497, 6787495, 20362485]

約数ペア:

[(1, 20362485), (3, 6787495), (5, 4072497), (11, 1851135), (13, 1566345), (15, 1357499), (33, 617045), (39, 522115), (55, 370227), (65, 313269), (121, 168285), (143, 142395), (165, 123409), (195, 104423), (363, 56095), (429, 47465), (605, 33657), (715, 28479), (863, 23595), (1573, 12945), (1815, 11219), (2145, 9493), (2589, 7865), (4315, 4719)]