20781774

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{88811}}^1$

素因数の和:88832

約数の個数: 24

約数和(自身を含む): 48491352

約数和(自身を除く): 27709578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 88811, 177622, 266433, 532866, 799299, 1154543, 1598598, 2309086, 3463629, 6927258, 10390887, 20781774]

約数ペア:

[(1, 20781774), (2, 10390887), (3, 6927258), (6, 3463629), (9, 2309086), (13, 1598598), (18, 1154543), (26, 799299), (39, 532866), (78, 266433), (117, 177622), (234, 88811)]