20333324

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1046

約数の個数: 36

約数和(自身を含む): 40062792

約数和(自身を除く): 19729468

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 946, 977, 1892, 1954, 3908, 5203, 10406, 10747, 20812, 21494, 42011, 42988, 84022, 118217, 168044, 236434, 462121, 472868, 924242, 1848484, 5083331, 10166662, 20333324]

約数ペア:

[(1, 20333324), (2, 10166662), (4, 5083331), (11, 1848484), (22, 924242), (43, 472868), (44, 462121), (86, 236434), (121, 168044), (172, 118217), (242, 84022), (473, 42988), (484, 42011), (946, 21494), (977, 20812), (1892, 10747), (1954, 10406), (3908, 5203)]