16920485

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1913}}^1$

素因数の和:2008

約数の個数: 16

約数和(自身を含む): 21360240

約数和(自身を除く): 4439755

約数列:

[1, 5, 29, 61, 145, 305, 1769, 1913, 8845, 9565, 55477, 116693, 277385, 583465, 3384097, 16920485]

約数ペア:

[(1, 16920485), (5, 3384097), (29, 583465), (61, 277385), (145, 116693), (305, 55477), (1769, 9565), (1913, 8845)]