20259021

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6247}}^1$

素因数の和:6320

約数の個数: 16

約数和(自身を含む): 28790784

約数和(自身を除く): 8531763

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6247, 18741, 143681, 293609, 431043, 880827, 6753007, 20259021]

約数ペア:

[(1, 20259021), (3, 6753007), (23, 880827), (47, 431043), (69, 293609), (141, 143681), (1081, 18741), (3243, 6247)]