20883009

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3137}}^1$

素因数の和:3464

約数の個数: 16

約数和(自身を含む): 31932288

約数和(自身を除く): 11049279

約数列:

[1, 3, 7, 21, 317, 951, 2219, 3137, 6657, 9411, 21959, 65877, 994429, 2983287, 6961003, 20883009]

約数ペア:

[(1, 20883009), (3, 6961003), (7, 2983287), (21, 994429), (317, 65877), (951, 21959), (2219, 9411), (3137, 6657)]