20757384

素因数分解:

$2^3\times 3^4\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 58893120

約数和(自身を除く): 38135736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 103, 108, 162, 206, 216, 309, 311, 324, 412, 618, 622, 648, 824, 927, 933, 1236, 1244, 1854, 1866, 2472, 2488, 2781, 2799, 3708, 3732, 5562, 5598, 7416, 7464, 8343, 8397, 11124, 11196, 16686, 16794, 22248, 22392, 25191, 32033, 33372, 33588, 50382, 64066, 66744, 67176, 96099, 100764, 128132, 192198, 201528, 256264, 288297, 384396, 576594, 768792, 864891, 1153188, 1729782, 2306376, 2594673, 3459564, 5189346, 6919128, 10378692, 20757384]

約数ペア:

[(1, 20757384), (2, 10378692), (3, 6919128), (4, 5189346), (6, 3459564), (8, 2594673), (9, 2306376), (12, 1729782), (18, 1153188), (24, 864891), (27, 768792), (36, 576594), (54, 384396), (72, 288297), (81, 256264), (103, 201528), (108, 192198), (162, 128132), (206, 100764), (216, 96099), (309, 67176), (311, 66744), (324, 64066), (412, 50382), (618, 33588), (622, 33372), (648, 32033), (824, 25191), (927, 22392), (933, 22248), (1236, 16794), (1244, 16686), (1854, 11196), (1866, 11124), (2472, 8397), (2488, 8343), (2781, 7464), (2799, 7416), (3708, 5598), (3732, 5562)]