20213227957

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{231827}}^1$

素因数の和:232212

約数の個数: 16

約数和(自身を含む): 22978791360

約数和(自身を除く): 2765563403

約数列:

[1, 13, 19, 247, 353, 4589, 6707, 87191, 231827, 3013751, 4404713, 57261269, 81834931, 1063854103, 1554863689, 20213227957]

約数ペア:

[(1, 20213227957), (13, 1554863689), (19, 1063854103), (247, 81834931), (353, 57261269), (4589, 4404713), (6707, 3013751), (87191, 231827)]