20154365

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4759}}^1$

素因数の和:4793

約数の個数: 24

約数和(自身を含む): 30387840

約数和(自身を除く): 10233475

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 4759, 23795, 33313, 52349, 166565, 261745, 366443, 575839, 1832215, 2879195, 4030873, 20154365]

約数ペア:

[(1, 20154365), (5, 4030873), (7, 2879195), (11, 1832215), (35, 575839), (55, 366443), (77, 261745), (121, 166565), (385, 52349), (605, 33313), (847, 23795), (4235, 4759)]