20328795

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2141}}^1$

素因数の和:2363

約数の個数: 24

約数和(自身を含む): 35420112

約数和(自身を除く): 15091317

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 2141, 3165, 6423, 9495, 10705, 19269, 32115, 96345, 451751, 1355253, 2258755, 4065759, 6776265, 20328795]

約数ペア:

[(1, 20328795), (3, 6776265), (5, 4065759), (9, 2258755), (15, 1355253), (45, 451751), (211, 96345), (633, 32115), (1055, 19269), (1899, 10705), (2141, 9495), (3165, 6423)]