20765294

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{1619}}^1$

素因数の和:1696

約数の個数: 24

約数和(自身を含む): 34904520

約数和(自身を除く): 14139226

約数列:

[1, 2, 11, 22, 53, 106, 121, 242, 583, 1166, 1619, 3238, 6413, 12826, 17809, 35618, 85807, 171614, 195899, 391798, 943877, 1887754, 10382647, 20765294]

約数ペア:

[(1, 20765294), (2, 10382647), (11, 1887754), (22, 943877), (53, 391798), (106, 195899), (121, 171614), (242, 85807), (583, 35618), (1166, 17809), (1619, 12826), (3238, 6413)]