20829260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45281}}^1$

素因数の和:45313

約数の個数: 24

約数和(自身を含む): 45644256

約数和(自身を除く): 24814996

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45281, 90562, 181124, 226405, 452810, 905620, 1041463, 2082926, 4165852, 5207315, 10414630, 20829260]

約数ペア:

[(1, 20829260), (2, 10414630), (4, 5207315), (5, 4165852), (10, 2082926), (20, 1041463), (23, 905620), (46, 452810), (92, 226405), (115, 181124), (230, 90562), (460, 45281)]