20509200

素因数分解:

$2^4\times 3^5\times 5^2\times {\mathrm{211}}^1$

素因数の和:244

約数の個数: 180

約数和(自身を含む): 74158448

約数和(自身を除く): 53649248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 100, 108, 120, 135, 144, 150, 162, 180, 200, 211, 216, 225, 240, 243, 270, 300, 324, 360, 400, 405, 422, 432, 450, 486, 540, 600, 633, 648, 675, 720, 810, 844, 900, 972, 1055, 1080, 1200, 1215, 1266, 1296, 1350, 1620, 1688, 1800, 1899, 1944, 2025, 2110, 2160, 2430, 2532, 2700, 3165, 3240, 3376, 3600, 3798, 3888, 4050, 4220, 4860, 5064, 5275, 5400, 5697, 6075, 6330, 6480, 7596, 8100, 8440, 9495, 9720, 10128, 10550, 10800, 11394, 12150, 12660, 15192, 15825, 16200, 16880, 17091, 18990, 19440, 21100, 22788, 24300, 25320, 28485, 30384, 31650, 32400, 34182, 37980, 42200, 45576, 47475, 48600, 50640, 51273, 56970, 63300, 68364, 75960, 84400, 85455, 91152, 94950, 97200, 102546, 113940, 126600, 136728, 142425, 151920, 170910, 189900, 205092, 227880, 253200, 256365, 273456, 284850, 341820, 379800, 410184, 427275, 455760, 512730, 569700, 683640, 759600, 820368, 854550, 1025460, 1139400, 1281825, 1367280, 1709100, 2050920, 2278800, 2563650, 3418200, 4101840, 5127300, 6836400, 10254600, 20509200]

約数ペア:

[(1, 20509200), (2, 10254600), (3, 6836400), (4, 5127300), (5, 4101840), (6, 3418200), (8, 2563650), (9, 2278800), (10, 2050920), (12, 1709100), (15, 1367280), (16, 1281825), (18, 1139400), (20, 1025460), (24, 854550), (25, 820368), (27, 759600), (30, 683640), (36, 569700), (40, 512730), (45, 455760), (48, 427275), (50, 410184), (54, 379800), (60, 341820), (72, 284850), (75, 273456), (80, 256365), (81, 253200), (90, 227880), (100, 205092), (108, 189900), (120, 170910), (135, 151920), (144, 142425), (150, 136728), (162, 126600), (180, 113940), (200, 102546), (211, 97200), (216, 94950), (225, 91152), (240, 85455), (243, 84400), (270, 75960), (300, 68364), (324, 63300), (360, 56970), (400, 51273), (405, 50640), (422, 48600), (432, 47475), (450, 45576), (486, 42200), (540, 37980), (600, 34182), (633, 32400), (648, 31650), (675, 30384), (720, 28485), (810, 25320), (844, 24300), (900, 22788), (972, 21100), (1055, 19440), (1080, 18990), (1200, 17091), (1215, 16880), (1266, 16200), (1296, 15825), (1350, 15192), (1620, 12660), (1688, 12150), (1800, 11394), (1899, 10800), (1944, 10550), (2025, 10128), (2110, 9720), (2160, 9495), (2430, 8440), (2532, 8100), (2700, 7596), (3165, 6480), (3240, 6330), (3376, 6075), (3600, 5697), (3798, 5400), (3888, 5275), (4050, 5064), (4220, 4860)]