20798928

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3359}}^1$

素因数の和:3416

約数の個数: 60

約数和(自身を含む): 59579520

約数和(自身を除く): 38780592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3359, 6192, 6718, 10077, 13436, 20154, 26872, 30231, 40308, 53744, 60462, 80616, 120924, 144437, 161232, 241848, 288874, 433311, 483696, 577748, 866622, 1155496, 1299933, 1733244, 2310992, 2599866, 3466488, 5199732, 6932976, 10399464, 20798928]

約数ペア:

[(1, 20798928), (2, 10399464), (3, 6932976), (4, 5199732), (6, 3466488), (8, 2599866), (9, 2310992), (12, 1733244), (16, 1299933), (18, 1155496), (24, 866622), (36, 577748), (43, 483696), (48, 433311), (72, 288874), (86, 241848), (129, 161232), (144, 144437), (172, 120924), (258, 80616), (344, 60462), (387, 53744), (516, 40308), (688, 30231), (774, 26872), (1032, 20154), (1548, 13436), (2064, 10077), (3096, 6718), (3359, 6192)]