20665814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1427}}^1$

素因数の和:1999

約数の個数: 16

約数和(自身を含む): 33466608

約数和(自身を除く): 12800794

約数列:

[1, 2, 13, 26, 557, 1114, 1427, 2854, 7241, 14482, 18551, 37102, 794839, 1589678, 10332907, 20665814]

約数ペア:

[(1, 20665814), (2, 10332907), (13, 1589678), (26, 794839), (557, 37102), (1114, 18551), (1427, 14482), (2854, 7241)]