20483824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1567}}^1$

素因数の和:1637

約数の個数: 40

約数和(自身を含む): 42775040

約数和(自身を除く): 22291216

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1567, 1634, 3134, 3268, 6268, 6536, 12536, 13072, 25072, 29773, 59546, 67381, 119092, 134762, 238184, 269524, 476368, 539048, 1078096, 1280239, 2560478, 5120956, 10241912, 20483824]

約数ペア:

[(1, 20483824), (2, 10241912), (4, 5120956), (8, 2560478), (16, 1280239), (19, 1078096), (38, 539048), (43, 476368), (76, 269524), (86, 238184), (152, 134762), (172, 119092), (304, 67381), (344, 59546), (688, 29773), (817, 25072), (1567, 13072), (1634, 12536), (3134, 6536), (3268, 6268)]