20520170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1847}}^1$

素因数の和:1966

約数の個数: 32

約数和(自身を含む): 40715136

約数和(自身を除く): 20194966

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 1847, 2222, 3694, 5555, 9235, 11110, 18470, 20317, 40634, 101585, 186547, 203170, 373094, 932735, 1865470, 2052017, 4104034, 10260085, 20520170]

約数ペア:

[(1, 20520170), (2, 10260085), (5, 4104034), (10, 2052017), (11, 1865470), (22, 932735), (55, 373094), (101, 203170), (110, 186547), (202, 101585), (505, 40634), (1010, 20317), (1111, 18470), (1847, 11110), (2222, 9235), (3694, 5555)]