20411404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6653}}^1$

素因数の和:6729

約数の個数: 24

約数和(自身を含む): 39125520

約数和(自身を除く): 18714116

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 6653, 13306, 26612, 86489, 172978, 345956, 392527, 785054, 1570108, 5102851, 10205702, 20411404]

約数ペア:

[(1, 20411404), (2, 10205702), (4, 5102851), (13, 1570108), (26, 785054), (52, 392527), (59, 345956), (118, 172978), (236, 86489), (767, 26612), (1534, 13306), (3068, 6653)]