20199012344

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{65617}}^1$

素因数の和:65892

約数の個数: 64

約数和(自身を含む): 45355161600

約数和(自身を除く): 25156149256

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 239, 322, 478, 644, 956, 1288, 1673, 1912, 3346, 5497, 6692, 10994, 13384, 21988, 38479, 43976, 65617, 76958, 131234, 153916, 262468, 307832, 459319, 524936, 918638, 1509191, 1837276, 3018382, 3674552, 6036764, 10564337, 12073528, 15682463, 21128674, 31364926, 42257348, 62729852, 84514696, 109777241, 125459704, 219554482, 360696649, 439108964, 721393298, 878217928, 1442786596, 2524876543, 2885573192, 5049753086, 10099506172, 20199012344]

約数ペア:

[(1, 20199012344), (2, 10099506172), (4, 5049753086), (7, 2885573192), (8, 2524876543), (14, 1442786596), (23, 878217928), (28, 721393298), (46, 439108964), (56, 360696649), (92, 219554482), (161, 125459704), (184, 109777241), (239, 84514696), (322, 62729852), (478, 42257348), (644, 31364926), (956, 21128674), (1288, 15682463), (1673, 12073528), (1912, 10564337), (3346, 6036764), (5497, 3674552), (6692, 3018382), (10994, 1837276), (13384, 1509191), (21988, 918638), (38479, 524936), (43976, 459319), (65617, 307832), (76958, 262468), (131234, 153916)]