20448951516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1887131}}^1$

素因数の和:1887191

約数の個数: 72

約数和(自身を含む): 60448612224

約数和(自身を除く): 39999660708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 10836, 1887131, 3774262, 5661393, 7548524, 11322786, 13209917, 16984179, 22645572, 26419834, 33968358, 39629751, 52839668, 67936716, 79259502, 81146633, 118889253, 158519004, 162293266, 237778506, 243439899, 324586532, 475557012, 486879798, 568026431, 730319697, 973759596, 1136052862, 1460639394, 1704079293, 2272105724, 2921278788, 3408158586, 5112237879, 6816317172, 10224475758, 20448951516]

約数ペア:

[(1, 20448951516), (2, 10224475758), (3, 6816317172), (4, 5112237879), (6, 3408158586), (7, 2921278788), (9, 2272105724), (12, 1704079293), (14, 1460639394), (18, 1136052862), (21, 973759596), (28, 730319697), (36, 568026431), (42, 486879798), (43, 475557012), (63, 324586532), (84, 243439899), (86, 237778506), (126, 162293266), (129, 158519004), (172, 118889253), (252, 81146633), (258, 79259502), (301, 67936716), (387, 52839668), (516, 39629751), (602, 33968358), (774, 26419834), (903, 22645572), (1204, 16984179), (1548, 13209917), (1806, 11322786), (2709, 7548524), (3612, 5661393), (5418, 3774262), (10836, 1887131)]