20254415

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 4905265

約数列:

[1, 5, 47, 79, 235, 395, 1091, 3713, 5455, 18565, 51277, 86189, 256385, 430945, 4050883, 20254415]

約数ペア:

[(1, 20254415), (5, 4050883), (47, 430945), (79, 256385), (235, 86189), (395, 51277), (1091, 18565), (3713, 5455)]