12990456

素因数分解:

$2^3\times 3^4\times {\mathrm{20047}}^1$

素因数の和:20065

約数の個数: 40

約数和(自身を含む): 36387120

約数和(自身を除く): 23396664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 20047, 40094, 60141, 80188, 120282, 160376, 180423, 240564, 360846, 481128, 541269, 721692, 1082538, 1443384, 1623807, 2165076, 3247614, 4330152, 6495228, 12990456]

約数ペア:

[(1, 12990456), (2, 6495228), (3, 4330152), (4, 3247614), (6, 2165076), (8, 1623807), (9, 1443384), (12, 1082538), (18, 721692), (24, 541269), (27, 481128), (36, 360846), (54, 240564), (72, 180423), (81, 160376), (108, 120282), (162, 80188), (216, 60141), (324, 40094), (648, 20047)]