20800806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266677}}^1$

素因数の和:266695

約数の個数: 16

約数和(自身を含む): 44801904

約数和(自身を除く): 24001098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266677, 533354, 800031, 1600062, 3466801, 6933602, 10400403, 20800806]

約数ペア:

[(1, 20800806), (2, 10400403), (3, 6933602), (6, 3466801), (13, 1600062), (26, 800031), (39, 533354), (78, 266677)]