20402280

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2099}}^1$

素因数の和:2125

約数の個数: 96

約数和(自身を含む): 68796000

約数和(自身を除く): 48393720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2099, 2430, 3240, 4198, 4860, 6297, 8396, 9720, 10495, 12594, 16792, 18891, 20990, 25188, 31485, 37782, 41980, 50376, 56673, 62970, 75564, 83960, 94455, 113346, 125940, 151128, 170019, 188910, 226692, 251880, 283365, 340038, 377820, 453384, 510057, 566730, 680076, 755640, 850095, 1020114, 1133460, 1360152, 1700190, 2040228, 2266920, 2550285, 3400380, 4080456, 5100570, 6800760, 10201140, 20402280]

約数ペア:

[(1, 20402280), (2, 10201140), (3, 6800760), (4, 5100570), (5, 4080456), (6, 3400380), (8, 2550285), (9, 2266920), (10, 2040228), (12, 1700190), (15, 1360152), (18, 1133460), (20, 1020114), (24, 850095), (27, 755640), (30, 680076), (36, 566730), (40, 510057), (45, 453384), (54, 377820), (60, 340038), (72, 283365), (81, 251880), (90, 226692), (108, 188910), (120, 170019), (135, 151128), (162, 125940), (180, 113346), (216, 94455), (243, 83960), (270, 75564), (324, 62970), (360, 56673), (405, 50376), (486, 41980), (540, 37782), (648, 31485), (810, 25188), (972, 20990), (1080, 18891), (1215, 16792), (1620, 12594), (1944, 10495), (2099, 9720), (2430, 8396), (3240, 6297), (4198, 4860)]