20676381

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{13331}}^1$

素因数の和:13392

約数の個数: 16

約数和(自身を含む): 30716928

約数和(自身を除く): 10040547

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 13331, 39993, 146641, 439923, 626557, 1879671, 6892127, 20676381]

約数ペア:

[(1, 20676381), (3, 6892127), (11, 1879671), (33, 626557), (47, 439923), (141, 146641), (517, 39993), (1551, 13331)]