20286763458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260086711}}^1$

素因数の和:260086729

約数の個数: 16

約数和(自身を含む): 43694567616

約数和(自身を除く): 23407804158

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 260086711, 520173422, 780260133, 1560520266, 3381127243, 6762254486, 10143381729, 20286763458]

約数ペア:

[(1, 20286763458), (2, 10143381729), (3, 6762254486), (6, 3381127243), (13, 1560520266), (26, 780260133), (39, 520173422), (78, 260086711)]