20331081

素因数分解:

$3^6\times {\mathrm{167}}^2$

素因数の和:352

約数の個数: 21

約数和(自身を含む): 30666301

約数和(自身を除く): 10335220

約数列:

[1, 3, 9, 27, 81, 167, 243, 501, 729, 1503, 4509, 13527, 27889, 40581, 83667, 121743, 251001, 753003, 2259009, 6777027, 20331081]

約数ペア:

[(1, 20331081), (3, 6777027), (9, 2259009), (27, 753003), (81, 251001), (167, 121743), (243, 83667), (501, 40581), (729, 27889), (1503, 13527)]