20053551

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23291}}^1$

素因数の和:23342

約数の個数: 16

約数和(自身を含む): 31304448

約数和(自身を除く): 11250897

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23291, 69873, 163037, 489111, 954931, 2864793, 6684517, 20053551]

約数ペア:

[(1, 20053551), (3, 6684517), (7, 2864793), (21, 954931), (41, 489111), (123, 163037), (287, 69873), (861, 23291)]