20138086124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{840067}}^1$

素因数の和:840545

約数の個数: 24

約数和(自身を含む): 38034918768

約数和(自身を除く): 17896832644

約数列:

[1, 2, 4, 13, 26, 52, 461, 922, 1844, 5993, 11986, 23972, 840067, 1680134, 3360268, 10920871, 21841742, 43683484, 387270887, 774541774, 1549083548, 5034521531, 10069043062, 20138086124]

約数ペア:

[(1, 20138086124), (2, 10069043062), (4, 5034521531), (13, 1549083548), (26, 774541774), (52, 387270887), (461, 43683484), (922, 21841742), (1844, 10920871), (5993, 3360268), (11986, 1680134), (23972, 840067)]