20688338

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{1613}}^1$

素因数の和:1690

約数の個数: 24

約数和(自身を含む): 34775244

約数和(自身を除く): 14086906

約数列:

[1, 2, 11, 22, 53, 106, 121, 242, 583, 1166, 1613, 3226, 6413, 12826, 17743, 35486, 85489, 170978, 195173, 390346, 940379, 1880758, 10344169, 20688338]

約数ペア:

[(1, 20688338), (2, 10344169), (11, 1880758), (22, 940379), (53, 390346), (106, 195173), (121, 170978), (242, 85489), (583, 35486), (1166, 17743), (1613, 12826), (3226, 6413)]