20649699

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14251}}^1$

素因数の和:14287

約数の個数: 24

約数和(自身を含む): 35572992

約数和(自身を除く): 14923293

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14251, 42753, 99757, 128259, 299271, 327773, 897813, 983319, 2294411, 2949957, 6883233, 20649699]

約数ペア:

[(1, 20649699), (3, 6883233), (7, 2949957), (9, 2294411), (21, 983319), (23, 897813), (63, 327773), (69, 299271), (161, 128259), (207, 99757), (483, 42753), (1449, 14251)]