20400549

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4799}}^1$

素因数の和:4924

約数の個数: 16

約数和(自身を含む): 29568000

約数和(自身を除く): 9167451

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 4799, 14397, 62387, 187161, 523091, 1569273, 6800183, 20400549]

約数ペア:

[(1, 20400549), (3, 6800183), (13, 1569273), (39, 523091), (109, 187161), (327, 62387), (1417, 14397), (4251, 4799)]