20687412

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24281}}^1$

素因数の和:24359

約数の個数: 24

約数和(自身を含む): 48952512

約数和(自身を除く): 28265100

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24281, 48562, 72843, 97124, 145686, 291372, 1723951, 3447902, 5171853, 6895804, 10343706, 20687412]

約数ペア:

[(1, 20687412), (2, 10343706), (3, 6895804), (4, 5171853), (6, 3447902), (12, 1723951), (71, 291372), (142, 145686), (213, 97124), (284, 72843), (426, 48562), (852, 24281)]