20325411

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{719}}^1$

素因数の和:1080

約数の個数: 20

約数和(自身を含む): 30492000

約数和(自身を除く): 10166589

約数列:

[1, 3, 9, 27, 81, 349, 719, 1047, 2157, 3141, 6471, 9423, 19413, 28269, 58239, 250931, 752793, 2258379, 6775137, 20325411]

約数ペア:

[(1, 20325411), (3, 6775137), (9, 2258379), (27, 752793), (81, 250931), (349, 58239), (719, 28269), (1047, 19413), (2157, 9423), (3141, 6471)]