20816256

素因数分解:

$2^7\times 3^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 34998144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 151, 192, 302, 359, 384, 453, 604, 718, 906, 1077, 1208, 1436, 1812, 2154, 2416, 2872, 3624, 4308, 4832, 5744, 7248, 8616, 9664, 11488, 14496, 17232, 19328, 22976, 28992, 34464, 45952, 54209, 57984, 68928, 108418, 137856, 162627, 216836, 325254, 433672, 650508, 867344, 1301016, 1734688, 2602032, 3469376, 5204064, 6938752, 10408128, 20816256]

約数ペア:

[(1, 20816256), (2, 10408128), (3, 6938752), (4, 5204064), (6, 3469376), (8, 2602032), (12, 1734688), (16, 1301016), (24, 867344), (32, 650508), (48, 433672), (64, 325254), (96, 216836), (128, 162627), (151, 137856), (192, 108418), (302, 68928), (359, 57984), (384, 54209), (453, 45952), (604, 34464), (718, 28992), (906, 22976), (1077, 19328), (1208, 17232), (1436, 14496), (1812, 11488), (2154, 9664), (2416, 8616), (2872, 7248), (3624, 5744), (4308, 4832)]