20624800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 59996160

約数和(自身を除く): 39371360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 50, 56, 58, 70, 80, 100, 112, 116, 127, 140, 145, 160, 175, 200, 203, 224, 232, 254, 280, 290, 350, 400, 406, 464, 508, 560, 580, 635, 700, 725, 800, 812, 889, 928, 1015, 1016, 1120, 1160, 1270, 1400, 1450, 1624, 1778, 2030, 2032, 2320, 2540, 2800, 2900, 3175, 3248, 3556, 3683, 4060, 4064, 4445, 4640, 5075, 5080, 5600, 5800, 6350, 6496, 7112, 7366, 8120, 8890, 10150, 10160, 11600, 12700, 14224, 14732, 16240, 17780, 18415, 20300, 20320, 22225, 23200, 25400, 25781, 28448, 29464, 32480, 35560, 36830, 40600, 44450, 50800, 51562, 58928, 71120, 73660, 81200, 88900, 92075, 101600, 103124, 117856, 128905, 142240, 147320, 162400, 177800, 184150, 206248, 257810, 294640, 355600, 368300, 412496, 515620, 589280, 644525, 711200, 736600, 824992, 1031240, 1289050, 1473200, 2062480, 2578100, 2946400, 4124960, 5156200, 10312400, 20624800]

約数ペア:

[(1, 20624800), (2, 10312400), (4, 5156200), (5, 4124960), (7, 2946400), (8, 2578100), (10, 2062480), (14, 1473200), (16, 1289050), (20, 1031240), (25, 824992), (28, 736600), (29, 711200), (32, 644525), (35, 589280), (40, 515620), (50, 412496), (56, 368300), (58, 355600), (70, 294640), (80, 257810), (100, 206248), (112, 184150), (116, 177800), (127, 162400), (140, 147320), (145, 142240), (160, 128905), (175, 117856), (200, 103124), (203, 101600), (224, 92075), (232, 88900), (254, 81200), (280, 73660), (290, 71120), (350, 58928), (400, 51562), (406, 50800), (464, 44450), (508, 40600), (560, 36830), (580, 35560), (635, 32480), (700, 29464), (725, 28448), (800, 25781), (812, 25400), (889, 23200), (928, 22225), (1015, 20320), (1016, 20300), (1120, 18415), (1160, 17780), (1270, 16240), (1400, 14732), (1450, 14224), (1624, 12700), (1778, 11600), (2030, 10160), (2032, 10150), (2320, 8890), (2540, 8120), (2800, 7366), (2900, 7112), (3175, 6496), (3248, 6350), (3556, 5800), (3683, 5600), (4060, 5080), (4064, 5075), (4445, 4640)]