20439429

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{3121}}^1$

素因数の和:3220

約数の個数: 16

約数和(自身を含む): 28472640

約数和(自身を除く): 8033211

約数列:

[1, 3, 37, 59, 111, 177, 2183, 3121, 6549, 9363, 115477, 184139, 346431, 552417, 6813143, 20439429]

約数ペア:

[(1, 20439429), (3, 6813143), (37, 552417), (59, 346431), (111, 184139), (177, 115477), (2183, 9363), (3121, 6549)]