42102020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28837}}^1$

素因数の和:28919

約数の個数: 24

約数和(自身を含む): 89628504

約数和(自身を除く): 47526484

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 28837, 57674, 115348, 144185, 288370, 576740, 2105101, 4210202, 8420404, 10525505, 21051010, 42102020]

約数ペア:

[(1, 42102020), (2, 21051010), (4, 10525505), (5, 8420404), (10, 4210202), (20, 2105101), (73, 576740), (146, 288370), (292, 144185), (365, 115348), (730, 57674), (1460, 28837)]