20297979

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57829}}^1$

素因数の和:57851

約数の個数: 16

約数和(自身を含む): 32384800

約数和(自身を除く): 12086821

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57829, 173487, 520461, 751777, 1561383, 2255331, 6765993, 20297979]

約数ペア:

[(1, 20297979), (3, 6765993), (9, 2255331), (13, 1561383), (27, 751777), (39, 520461), (117, 173487), (351, 57829)]