20493200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:601

約数の個数: 120

約数和(自身を含む): 60704448

約数和(自身を除く): 40211248

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 560, 563, 650, 700, 728, 910, 1040, 1126, 1300, 1400, 1456, 1820, 2252, 2275, 2600, 2800, 2815, 3640, 3941, 4504, 4550, 5200, 5630, 7280, 7319, 7882, 9008, 9100, 11260, 14075, 14638, 15764, 18200, 19705, 22520, 28150, 29276, 31528, 36400, 36595, 39410, 45040, 51233, 56300, 58552, 63056, 73190, 78820, 98525, 102466, 112600, 117104, 146380, 157640, 182975, 197050, 204932, 225200, 256165, 292760, 315280, 365950, 394100, 409864, 512330, 585520, 731900, 788200, 819728, 1024660, 1280825, 1463800, 1576400, 2049320, 2561650, 2927600, 4098640, 5123300, 10246600, 20493200]

約数ペア:

[(1, 20493200), (2, 10246600), (4, 5123300), (5, 4098640), (7, 2927600), (8, 2561650), (10, 2049320), (13, 1576400), (14, 1463800), (16, 1280825), (20, 1024660), (25, 819728), (26, 788200), (28, 731900), (35, 585520), (40, 512330), (50, 409864), (52, 394100), (56, 365950), (65, 315280), (70, 292760), (80, 256165), (91, 225200), (100, 204932), (104, 197050), (112, 182975), (130, 157640), (140, 146380), (175, 117104), (182, 112600), (200, 102466), (208, 98525), (260, 78820), (280, 73190), (325, 63056), (350, 58552), (364, 56300), (400, 51233), (455, 45040), (520, 39410), (560, 36595), (563, 36400), (650, 31528), (700, 29276), (728, 28150), (910, 22520), (1040, 19705), (1126, 18200), (1300, 15764), (1400, 14638), (1456, 14075), (1820, 11260), (2252, 9100), (2275, 9008), (2600, 7882), (2800, 7319), (2815, 7280), (3640, 5630), (3941, 5200), (4504, 4550)]