20161971412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1\times {\mathrm{6367}}^1$

素因数の和:7372

約数の個数: 48

約数和(自身を含む): 39027179520

約数和(自身を除く): 18865208108

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 911, 1738, 1822, 3476, 3644, 6367, 10021, 12734, 20042, 25468, 40084, 70037, 71969, 140074, 143938, 280148, 287876, 502993, 791659, 1005986, 1583318, 2011972, 3166636, 5532923, 5800337, 11065846, 11600674, 22131692, 23201348, 63803707, 127607414, 255214828, 458226623, 916453246, 1832906492, 5040492853, 10080985706, 20161971412]

約数ペア:

[(1, 20161971412), (2, 10080985706), (4, 5040492853), (11, 1832906492), (22, 916453246), (44, 458226623), (79, 255214828), (158, 127607414), (316, 63803707), (869, 23201348), (911, 22131692), (1738, 11600674), (1822, 11065846), (3476, 5800337), (3644, 5532923), (6367, 3166636), (10021, 2011972), (12734, 1583318), (20042, 1005986), (25468, 791659), (40084, 502993), (70037, 287876), (71969, 280148), (140074, 143938)]