20205548

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:518

約数の個数: 36

約数和(自身を含む): 39325440

約数和(自身を除く): 19119892

約数列:

[1, 2, 4, 11, 22, 44, 109, 121, 218, 242, 383, 436, 484, 766, 1199, 1532, 2398, 4213, 4796, 8426, 13189, 16852, 26378, 41747, 46343, 52756, 83494, 92686, 166988, 185372, 459217, 918434, 1836868, 5051387, 10102774, 20205548]

約数ペア:

[(1, 20205548), (2, 10102774), (4, 5051387), (11, 1836868), (22, 918434), (44, 459217), (109, 185372), (121, 166988), (218, 92686), (242, 83494), (383, 52756), (436, 46343), (484, 41747), (766, 26378), (1199, 16852), (1532, 13189), (2398, 8426), (4213, 4796)]