20278300458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259978211}}^1$

素因数の和:259978229

約数の個数: 16

約数和(自身を含む): 43676339616

約数和(自身を除く): 23398039158

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 259978211, 519956422, 779934633, 1559869266, 3379716743, 6759433486, 10139150229, 20278300458]

約数ペア:

[(1, 20278300458), (2, 10139150229), (3, 6759433486), (6, 3379716743), (13, 1559869266), (26, 779934633), (39, 519956422), (78, 259978211)]