20129221467

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{25601}}^1$

素因数の和:26201

約数の個数: 40

約数和(自身を含む): 31895381232

約数和(自身を除く): 11766159765

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 571, 1377, 1713, 5139, 9707, 15417, 25601, 29121, 46251, 76803, 87363, 230409, 262089, 435217, 691227, 786267, 1305651, 2073681, 3916953, 11750859, 14618171, 35252577, 43854513, 131563539, 248508907, 394690617, 745526721, 1184071851, 2236580163, 6709740489, 20129221467]

約数ペア:

[(1, 20129221467), (3, 6709740489), (9, 2236580163), (17, 1184071851), (27, 745526721), (51, 394690617), (81, 248508907), (153, 131563539), (459, 43854513), (571, 35252577), (1377, 14618171), (1713, 11750859), (5139, 3916953), (9707, 2073681), (15417, 1305651), (25601, 786267), (29121, 691227), (46251, 435217), (76803, 262089), (87363, 230409)]