20509346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71711}}^1$

素因数の和:71737

約数の個数: 16

約数和(自身を含む): 36142848

約数和(自身を除く): 15633502

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71711, 143422, 788821, 932243, 1577642, 1864486, 10254673, 20509346]

約数ペア:

[(1, 20509346), (2, 10254673), (11, 1864486), (13, 1577642), (22, 932243), (26, 788821), (143, 143422), (286, 71711)]