20687330

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3623}}^1$

素因数の和:4201

約数の個数: 16

約数和(自身を含む): 37312704

約数和(自身を除く): 16625374

約数列:

[1, 2, 5, 10, 571, 1142, 2855, 3623, 5710, 7246, 18115, 36230, 2068733, 4137466, 10343665, 20687330]

約数ペア:

[(1, 20687330), (2, 10343665), (5, 4137466), (10, 2068733), (571, 36230), (1142, 18115), (2855, 7246), (3623, 5710)]