20537280

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2377}}^1$

素因数の和:2403

約数の個数: 112

約数和(自身を含む): 72481440

約数和(自身を除く): 51944160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2377, 2880, 4320, 4754, 7131, 8640, 9508, 11885, 14262, 19016, 21393, 23770, 28524, 35655, 38032, 42786, 47540, 57048, 64179, 71310, 76064, 85572, 95080, 106965, 114096, 128358, 142620, 152128, 171144, 190160, 213930, 228192, 256716, 285240, 320895, 342288, 380320, 427860, 456384, 513432, 570480, 641790, 684576, 760640, 855720, 1026864, 1140960, 1283580, 1369152, 1711440, 2053728, 2281920, 2567160, 3422880, 4107456, 5134320, 6845760, 10268640, 20537280]

約数ペア:

[(1, 20537280), (2, 10268640), (3, 6845760), (4, 5134320), (5, 4107456), (6, 3422880), (8, 2567160), (9, 2281920), (10, 2053728), (12, 1711440), (15, 1369152), (16, 1283580), (18, 1140960), (20, 1026864), (24, 855720), (27, 760640), (30, 684576), (32, 641790), (36, 570480), (40, 513432), (45, 456384), (48, 427860), (54, 380320), (60, 342288), (64, 320895), (72, 285240), (80, 256716), (90, 228192), (96, 213930), (108, 190160), (120, 171144), (135, 152128), (144, 142620), (160, 128358), (180, 114096), (192, 106965), (216, 95080), (240, 85572), (270, 76064), (288, 71310), (320, 64179), (360, 57048), (432, 47540), (480, 42786), (540, 38032), (576, 35655), (720, 28524), (864, 23770), (960, 21393), (1080, 19016), (1440, 14262), (1728, 11885), (2160, 9508), (2377, 8640), (2880, 7131), (4320, 4754)]