20162857

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 25683840

約数和(自身を除く): 5520983

約数列:

[1, 11, 13, 19, 41, 143, 181, 209, 247, 451, 533, 779, 1991, 2353, 2717, 3439, 5863, 7421, 8569, 10127, 25883, 37829, 44707, 81631, 96473, 111397, 140999, 491777, 1061203, 1550989, 1832987, 20162857]

約数ペア:

[(1, 20162857), (11, 1832987), (13, 1550989), (19, 1061203), (41, 491777), (143, 140999), (181, 111397), (209, 96473), (247, 81631), (451, 44707), (533, 37829), (779, 25883), (1991, 10127), (2353, 8569), (2717, 7421), (3439, 5863)]