20677320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3023}}^1$

素因数の和:3059

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 50084280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3023, 3420, 6046, 6840, 9069, 12092, 15115, 18138, 24184, 27207, 30230, 36276, 45345, 54414, 57437, 60460, 72552, 90690, 108828, 114874, 120920, 136035, 172311, 181380, 217656, 229748, 272070, 287185, 344622, 362760, 459496, 516933, 544140, 574370, 689244, 861555, 1033866, 1088280, 1148740, 1378488, 1723110, 2067732, 2297480, 2584665, 3446220, 4135464, 5169330, 6892440, 10338660, 20677320]

約数ペア:

[(1, 20677320), (2, 10338660), (3, 6892440), (4, 5169330), (5, 4135464), (6, 3446220), (8, 2584665), (9, 2297480), (10, 2067732), (12, 1723110), (15, 1378488), (18, 1148740), (19, 1088280), (20, 1033866), (24, 861555), (30, 689244), (36, 574370), (38, 544140), (40, 516933), (45, 459496), (57, 362760), (60, 344622), (72, 287185), (76, 272070), (90, 229748), (95, 217656), (114, 181380), (120, 172311), (152, 136035), (171, 120920), (180, 114874), (190, 108828), (228, 90690), (285, 72552), (342, 60460), (360, 57437), (380, 54414), (456, 45345), (570, 36276), (684, 30230), (760, 27207), (855, 24184), (1140, 18138), (1368, 15115), (1710, 12092), (2280, 9069), (3023, 6840), (3420, 6046)]