20817498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266891}}^1$

素因数の和:266909

約数の個数: 16

約数和(自身を含む): 44837856

約数和(自身を除く): 24020358

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266891, 533782, 800673, 1601346, 3469583, 6939166, 10408749, 20817498]

約数ペア:

[(1, 20817498), (2, 10408749), (3, 6939166), (6, 3469583), (13, 1601346), (26, 800673), (39, 533782), (78, 266891)]