20546570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1237}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 40646016

約数和(自身を除く): 20099446

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 151, 302, 755, 1237, 1510, 1661, 2474, 3322, 6185, 8305, 12370, 13607, 16610, 27214, 68035, 136070, 186787, 373574, 933935, 1867870, 2054657, 4109314, 10273285, 20546570]

約数ペア:

[(1, 20546570), (2, 10273285), (5, 4109314), (10, 2054657), (11, 1867870), (22, 933935), (55, 373574), (110, 186787), (151, 136070), (302, 68035), (755, 27214), (1237, 16610), (1510, 13607), (1661, 12370), (2474, 8305), (3322, 6185)]