20549379

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{2251}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 29185920

約数和(自身を除く): 8636541

約数列:

[1, 3, 17, 51, 179, 537, 2251, 3043, 6753, 9129, 38267, 114801, 402929, 1208787, 6849793, 20549379]

約数ペア:

[(1, 20549379), (3, 6849793), (17, 1208787), (51, 402929), (179, 114801), (537, 38267), (2251, 9129), (3043, 6753)]