20517505920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3562067}}^1$

素因数の和:3562092

約数の個数: 96

約数和(自身を含む): 70849532520

約数和(自身を除く): 50332026600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 3562067, 7124134, 10686201, 14248268, 17810335, 21372402, 28496536, 32058603, 35620670, 42744804, 53431005, 56993072, 64117206, 71241340, 85489608, 106862010, 113986144, 128234412, 142482680, 160293015, 170979216, 213724020, 227972288, 256468824, 284965360, 320586030, 341958432, 427448040, 455944576, 512937648, 569930720, 641172060, 683916864, 854896080, 1025875296, 1139861440, 1282344120, 1367833728, 1709792160, 2051750592, 2279722880, 2564688240, 3419584320, 4103501184, 5129376480, 6839168640, 10258752960, 20517505920]

約数ペア:

[(1, 20517505920), (2, 10258752960), (3, 6839168640), (4, 5129376480), (5, 4103501184), (6, 3419584320), (8, 2564688240), (9, 2279722880), (10, 2051750592), (12, 1709792160), (15, 1367833728), (16, 1282344120), (18, 1139861440), (20, 1025875296), (24, 854896080), (30, 683916864), (32, 641172060), (36, 569930720), (40, 512937648), (45, 455944576), (48, 427448040), (60, 341958432), (64, 320586030), (72, 284965360), (80, 256468824), (90, 227972288), (96, 213724020), (120, 170979216), (128, 160293015), (144, 142482680), (160, 128234412), (180, 113986144), (192, 106862010), (240, 85489608), (288, 71241340), (320, 64117206), (360, 56993072), (384, 53431005), (480, 42744804), (576, 35620670), (640, 32058603), (720, 28496536), (960, 21372402), (1152, 17810335), (1440, 14248268), (1920, 10686201), (2880, 7124134), (5760, 3562067)]