20758485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1297}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 36634752

約数和(自身を除く): 15876267

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 1067, 1297, 1455, 3201, 3891, 5335, 6485, 14267, 16005, 19455, 42801, 71335, 125809, 214005, 377427, 629045, 1383899, 1887135, 4151697, 6919495, 20758485]

約数ペア:

[(1, 20758485), (3, 6919495), (5, 4151697), (11, 1887135), (15, 1383899), (33, 629045), (55, 377427), (97, 214005), (165, 125809), (291, 71335), (485, 42801), (1067, 19455), (1297, 16005), (1455, 14267), (3201, 6485), (3891, 5335)]