20752910

素因数分解:

$2^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1571}}^1$

素因数の和:2899

約数の個数: 16

約数和(自身を含む): 37407312

約数和(自身を除く): 16654402

約数列:

[1, 2, 5, 10, 1321, 1571, 2642, 3142, 6605, 7855, 13210, 15710, 2075291, 4150582, 10376455, 20752910]

約数ペア:

[(1, 20752910), (2, 10376455), (5, 4150582), (10, 2075291), (1321, 15710), (1571, 13210), (2642, 7855), (3142, 6605)]