20015451

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 31288320

約数和(自身を除く): 11272869

約数列:

[1, 3, 9, 23, 27, 69, 167, 193, 207, 501, 579, 621, 1503, 1737, 3841, 4439, 4509, 5211, 11523, 13317, 32231, 34569, 39951, 96693, 103707, 119853, 290079, 741313, 870237, 2223939, 6671817, 20015451]

約数ペア:

[(1, 20015451), (3, 6671817), (9, 2223939), (23, 870237), (27, 741313), (69, 290079), (167, 119853), (193, 103707), (207, 96693), (501, 39951), (579, 34569), (621, 32231), (1503, 13317), (1737, 11523), (3841, 5211), (4439, 4509)]