20184705

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2857}}^1$

素因数の和:3025

約数の個数: 24

約数和(自身を含む): 35221992

約数和(自身を除く): 15037287

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 2857, 7065, 8571, 14285, 25713, 42855, 128565, 448549, 1345647, 2242745, 4036941, 6728235, 20184705]

約数ペア:

[(1, 20184705), (3, 6728235), (5, 4036941), (9, 2242745), (15, 1345647), (45, 448549), (157, 128565), (471, 42855), (785, 25713), (1413, 14285), (2355, 8571), (2857, 7065)]