20120055

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2011}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 34767360

約数和(自身を除く): 14647305

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 2011, 3335, 6033, 10005, 10055, 30165, 46253, 58319, 138759, 174957, 231265, 291595, 693795, 874785, 1341337, 4024011, 6706685, 20120055]

約数ペア:

[(1, 20120055), (3, 6706685), (5, 4024011), (15, 1341337), (23, 874785), (29, 693795), (69, 291595), (87, 231265), (115, 174957), (145, 138759), (345, 58319), (435, 46253), (667, 30165), (2001, 10055), (2011, 10005), (3335, 6033)]