20187455912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2503}}^1\times {\mathrm{77551}}^1$

素因数の和:80073

約数の個数: 32

約数和(自身を含む): 40779943680

約数和(自身を除く): 20592487768

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2503, 5006, 10012, 20024, 32539, 65078, 77551, 130156, 155102, 260312, 310204, 620408, 1008163, 2016326, 4032652, 8065304, 194110153, 388220306, 776440612, 1552881224, 2523431989, 5046863978, 10093727956, 20187455912]

約数ペア:

[(1, 20187455912), (2, 10093727956), (4, 5046863978), (8, 2523431989), (13, 1552881224), (26, 776440612), (52, 388220306), (104, 194110153), (2503, 8065304), (5006, 4032652), (10012, 2016326), (20024, 1008163), (32539, 620408), (65078, 310204), (77551, 260312), (130156, 155102)]