20587608

素因数分解:

$2^3\times 3^4\times {\mathrm{31771}}^1$

素因数の和:31789

約数の個数: 40

約数和(自身を含む): 57666180

約数和(自身を除く): 37078572

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31771, 63542, 95313, 127084, 190626, 254168, 285939, 381252, 571878, 762504, 857817, 1143756, 1715634, 2287512, 2573451, 3431268, 5146902, 6862536, 10293804, 20587608]

約数ペア:

[(1, 20587608), (2, 10293804), (3, 6862536), (4, 5146902), (6, 3431268), (8, 2573451), (9, 2287512), (12, 1715634), (18, 1143756), (24, 857817), (27, 762504), (36, 571878), (54, 381252), (72, 285939), (81, 254168), (108, 190626), (162, 127084), (216, 95313), (324, 63542), (648, 31771)]