20706125

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{37}}^2$

素因数の和:111

約数の個数: 36

約数和(自身を含む): 29192436

約数和(自身を除く): 8486311

約数列:

[1, 5, 11, 25, 37, 55, 121, 125, 185, 275, 407, 605, 925, 1369, 1375, 2035, 3025, 4477, 4625, 6845, 10175, 15059, 15125, 22385, 34225, 50875, 75295, 111925, 165649, 171125, 376475, 559625, 828245, 1882375, 4141225, 20706125]

約数ペア:

[(1, 20706125), (5, 4141225), (11, 1882375), (25, 828245), (37, 559625), (55, 376475), (121, 171125), (125, 165649), (185, 111925), (275, 75295), (407, 50875), (605, 34225), (925, 22385), (1369, 15125), (1375, 15059), (2035, 10175), (3025, 6845), (4477, 4625)]