20367536

素因数分解:

$2^4\times 7^2\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:418

約数の個数: 60

約数和(自身を含む): 46606392

約数和(自身を除く): 26238856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 83, 98, 112, 166, 196, 313, 332, 392, 581, 626, 664, 784, 1162, 1252, 1328, 2191, 2324, 2504, 4067, 4382, 4648, 5008, 8134, 8764, 9296, 15337, 16268, 17528, 25979, 30674, 32536, 35056, 51958, 61348, 65072, 103916, 122696, 181853, 207832, 245392, 363706, 415664, 727412, 1272971, 1454824, 2545942, 2909648, 5091884, 10183768, 20367536]

約数ペア:

[(1, 20367536), (2, 10183768), (4, 5091884), (7, 2909648), (8, 2545942), (14, 1454824), (16, 1272971), (28, 727412), (49, 415664), (56, 363706), (83, 245392), (98, 207832), (112, 181853), (166, 122696), (196, 103916), (313, 65072), (332, 61348), (392, 51958), (581, 35056), (626, 32536), (664, 30674), (784, 25979), (1162, 17528), (1252, 16268), (1328, 15337), (2191, 9296), (2324, 8764), (2504, 8134), (4067, 5008), (4382, 4648)]