20104955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6581}}^1$

素因数の和:6646

約数の個数: 16

約数和(自身を含む): 26538624

約数和(自身を除く): 6433669

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 6581, 32905, 85553, 309307, 427765, 1546535, 4020991, 20104955]

約数ペア:

[(1, 20104955), (5, 4020991), (13, 1546535), (47, 427765), (65, 309307), (235, 85553), (611, 32905), (3055, 6581)]