20123407312

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{881}}^1\times {\mathrm{20107}}^1$

素因数の和:21067

約数の個数: 40

約数和(自身を含む): 39585091392

約数和(自身を除く): 19461684080

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 881, 1136, 1762, 3524, 7048, 14096, 20107, 40214, 62551, 80428, 125102, 160856, 250204, 321712, 500408, 1000816, 1427597, 2855194, 5710388, 11420776, 17714267, 22841552, 35428534, 70857068, 141714136, 283428272, 1257712957, 2515425914, 5030851828, 10061703656, 20123407312]

約数ペア:

[(1, 20123407312), (2, 10061703656), (4, 5030851828), (8, 2515425914), (16, 1257712957), (71, 283428272), (142, 141714136), (284, 70857068), (568, 35428534), (881, 22841552), (1136, 17714267), (1762, 11420776), (3524, 5710388), (7048, 2855194), (14096, 1427597), (20107, 1000816), (40214, 500408), (62551, 321712), (80428, 250204), (125102, 160856)]