20658465

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11197}}^1$

素因数の和:11249

約数の個数: 24

約数和(自身を含む): 36684648

約数和(自身を除く): 16026183

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 11197, 33591, 55985, 100773, 167955, 459077, 503865, 1377231, 2295385, 4131693, 6886155, 20658465]

約数ペア:

[(1, 20658465), (3, 6886155), (5, 4131693), (9, 2295385), (15, 1377231), (41, 503865), (45, 459077), (123, 167955), (205, 100773), (369, 55985), (615, 33591), (1845, 11197)]