20948409

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{14639}}^1$

素因数の和:14701

約数の個数: 16

約数和(自身を含む): 31622400

約数和(自身を除く): 10673991

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 14639, 43917, 131751, 395253, 775867, 2327601, 6982803, 20948409]

約数ペア:

[(1, 20948409), (3, 6982803), (9, 2327601), (27, 775867), (53, 395253), (159, 131751), (477, 43917), (1431, 14639)]