20431164

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130969}}^1$

素因数の和:130989

約数の個数: 24

約数和(自身を含む): 51340240

約数和(自身を除く): 30909076

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130969, 261938, 392907, 523876, 785814, 1571628, 1702597, 3405194, 5107791, 6810388, 10215582, 20431164]

約数ペア:

[(1, 20431164), (2, 10215582), (3, 6810388), (4, 5107791), (6, 3405194), (12, 1702597), (13, 1571628), (26, 785814), (39, 523876), (52, 392907), (78, 261938), (156, 130969)]