20504400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2441}}^1$

素因数の和:2469

約数の個数: 120

約数和(自身を含む): 75096384

約数和(自身を除く): 54591984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2441, 2800, 4200, 4882, 7323, 8400, 9764, 12205, 14646, 17087, 19528, 24410, 29292, 34174, 36615, 39056, 48820, 51261, 58584, 61025, 68348, 73230, 85435, 97640, 102522, 117168, 122050, 136696, 146460, 170870, 183075, 195280, 205044, 244100, 256305, 273392, 292920, 341740, 366150, 410088, 427175, 488200, 512610, 585840, 683480, 732300, 820176, 854350, 976400, 1025220, 1281525, 1366960, 1464600, 1708700, 2050440, 2563050, 2929200, 3417400, 4100880, 5126100, 6834800, 10252200, 20504400]

約数ペア:

[(1, 20504400), (2, 10252200), (3, 6834800), (4, 5126100), (5, 4100880), (6, 3417400), (7, 2929200), (8, 2563050), (10, 2050440), (12, 1708700), (14, 1464600), (15, 1366960), (16, 1281525), (20, 1025220), (21, 976400), (24, 854350), (25, 820176), (28, 732300), (30, 683480), (35, 585840), (40, 512610), (42, 488200), (48, 427175), (50, 410088), (56, 366150), (60, 341740), (70, 292920), (75, 273392), (80, 256305), (84, 244100), (100, 205044), (105, 195280), (112, 183075), (120, 170870), (140, 146460), (150, 136696), (168, 122050), (175, 117168), (200, 102522), (210, 97640), (240, 85435), (280, 73230), (300, 68348), (336, 61025), (350, 58584), (400, 51261), (420, 48820), (525, 39056), (560, 36615), (600, 34174), (700, 29292), (840, 24410), (1050, 19528), (1200, 17087), (1400, 14646), (1680, 12205), (2100, 9764), (2441, 8400), (2800, 7323), (4200, 4882)]