20351328

素因数分解:

$2^5\times 3^1\times {\mathrm{239}}^1\times {\mathrm{887}}^1$

素因数の和:1139

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 33354912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 239, 478, 717, 887, 956, 1434, 1774, 1912, 2661, 2868, 3548, 3824, 5322, 5736, 7096, 7648, 10644, 11472, 14192, 21288, 22944, 28384, 42576, 85152, 211993, 423986, 635979, 847972, 1271958, 1695944, 2543916, 3391888, 5087832, 6783776, 10175664, 20351328]

約数ペア:

[(1, 20351328), (2, 10175664), (3, 6783776), (4, 5087832), (6, 3391888), (8, 2543916), (12, 1695944), (16, 1271958), (24, 847972), (32, 635979), (48, 423986), (96, 211993), (239, 85152), (478, 42576), (717, 28384), (887, 22944), (956, 21288), (1434, 14192), (1774, 11472), (1912, 10644), (2661, 7648), (2868, 7096), (3548, 5736), (3824, 5322)]