20352546

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{1721}}^1$

素因数の和:1808

約数の個数: 40

約数和(自身を含む): 46256364

約数和(自身を除く): 25903818

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 438, 657, 1314, 1721, 1971, 3442, 3942, 5163, 5913, 10326, 11826, 15489, 30978, 46467, 92934, 125633, 139401, 251266, 278802, 376899, 753798, 1130697, 2261394, 3392091, 6784182, 10176273, 20352546]

約数ペア:

[(1, 20352546), (2, 10176273), (3, 6784182), (6, 3392091), (9, 2261394), (18, 1130697), (27, 753798), (54, 376899), (73, 278802), (81, 251266), (146, 139401), (162, 125633), (219, 92934), (438, 46467), (657, 30978), (1314, 15489), (1721, 11826), (1971, 10326), (3442, 5913), (3942, 5163)]