20247852

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 48608000

約数和(自身を除く): 28360148

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 139, 183, 199, 244, 278, 366, 398, 417, 556, 597, 732, 796, 834, 1194, 1668, 2388, 8479, 12139, 16958, 24278, 25437, 27661, 33916, 36417, 48556, 50874, 55322, 72834, 82983, 101748, 110644, 145668, 165966, 331932, 1687321, 3374642, 5061963, 6749284, 10123926, 20247852]

約数ペア:

[(1, 20247852), (2, 10123926), (3, 6749284), (4, 5061963), (6, 3374642), (12, 1687321), (61, 331932), (122, 165966), (139, 145668), (183, 110644), (199, 101748), (244, 82983), (278, 72834), (366, 55322), (398, 50874), (417, 48556), (556, 36417), (597, 33916), (732, 27661), (796, 25437), (834, 24278), (1194, 16958), (1668, 12139), (2388, 8479)]