20547605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{911}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 26659584

約数和(自身を除く): 6111979

約数列:

[1, 5, 13, 65, 347, 911, 1735, 4511, 4555, 11843, 22555, 59215, 316117, 1580585, 4109521, 20547605]

約数ペア:

[(1, 20547605), (5, 4109521), (13, 1580585), (65, 316117), (347, 59215), (911, 22555), (1735, 11843), (4511, 4555)]