20817001431

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{1061}}^1\times {\mathrm{4877}}^1$

素因数の和:6096

約数の個数: 32

約数和(自身を含む): 31082616000

約数和(自身を除く): 10265614569

約数列:

[1, 3, 9, 27, 149, 447, 1061, 1341, 3183, 4023, 4877, 9549, 14631, 28647, 43893, 131679, 158089, 474267, 726673, 1422801, 2180019, 4268403, 5174497, 6540057, 15523491, 19620171, 46570473, 139711419, 771000053, 2313000159, 6939000477, 20817001431]

約数ペア:

[(1, 20817001431), (3, 6939000477), (9, 2313000159), (27, 771000053), (149, 139711419), (447, 46570473), (1061, 19620171), (1341, 15523491), (3183, 6540057), (4023, 5174497), (4877, 4268403), (9549, 2180019), (14631, 1422801), (28647, 726673), (43893, 474267), (131679, 158089)]