20687112585

素因数分解:

$3^3\times 5^1\times {\mathrm{153237871}}^1$

素因数の和:153237885

約数の個数: 16

約数和(自身を含む): 36777089280

約数和(自身を除く): 16089976695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 153237871, 459713613, 766189355, 1379140839, 2298568065, 4137422517, 6895704195, 20687112585]

約数ペア:

[(1, 20687112585), (3, 6895704195), (5, 4137422517), (9, 2298568065), (15, 1379140839), (27, 766189355), (45, 459713613), (135, 153237871)]