20512321090

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1\times {\mathrm{70999}}^1$

素因数の和:71346

約数の個数: 32

約数和(自身を含む): 37358496000

約数和(自身を除く): 16846174910

約数列:

[1, 2, 5, 10, 167, 173, 334, 346, 835, 865, 1670, 1730, 28891, 57782, 70999, 141998, 144455, 288910, 354995, 709990, 11856833, 12282827, 23713666, 24565654, 59284165, 61414135, 118568330, 122828270, 2051232109, 4102464218, 10256160545, 20512321090]

約数ペア:

[(1, 20512321090), (2, 10256160545), (5, 4102464218), (10, 2051232109), (167, 122828270), (173, 118568330), (334, 61414135), (346, 59284165), (835, 24565654), (865, 23713666), (1670, 12282827), (1730, 11856833), (28891, 709990), (57782, 354995), (70999, 288910), (141998, 144455)]