20011465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12391}}^1$

素因数の和:12432

約数の個数: 16

約数和(自身を含む): 26766720

約数和(自身を除く): 6755255

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 12391, 61955, 210647, 235429, 1053235, 1177145, 4002293, 20011465]

約数ペア:

[(1, 20011465), (5, 4002293), (17, 1177145), (19, 1053235), (85, 235429), (95, 210647), (323, 61955), (1615, 12391)]