20861400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{4967}}^1$

素因数の和:4993

約数の個数: 96

約数和(自身を含む): 73923840

約数和(自身を除く): 53062440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 4967, 9934, 14901, 19868, 24835, 29802, 34769, 39736, 49670, 59604, 69538, 74505, 99340, 104307, 119208, 124175, 139076, 149010, 173845, 198680, 208614, 248350, 278152, 298020, 347690, 372525, 417228, 496700, 521535, 596040, 695380, 745050, 834456, 869225, 993400, 1043070, 1390760, 1490100, 1738450, 2086140, 2607675, 2980200, 3476900, 4172280, 5215350, 6953800, 10430700, 20861400]

約数ペア:

[(1, 20861400), (2, 10430700), (3, 6953800), (4, 5215350), (5, 4172280), (6, 3476900), (7, 2980200), (8, 2607675), (10, 2086140), (12, 1738450), (14, 1490100), (15, 1390760), (20, 1043070), (21, 993400), (24, 869225), (25, 834456), (28, 745050), (30, 695380), (35, 596040), (40, 521535), (42, 496700), (50, 417228), (56, 372525), (60, 347690), (70, 298020), (75, 278152), (84, 248350), (100, 208614), (105, 198680), (120, 173845), (140, 149010), (150, 139076), (168, 124175), (175, 119208), (200, 104307), (210, 99340), (280, 74505), (300, 69538), (350, 59604), (420, 49670), (525, 39736), (600, 34769), (700, 29802), (840, 24835), (1050, 19868), (1400, 14901), (2100, 9934), (4200, 4967)]