20558954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7829}}^1$

素因数の和:7945

約数の個数: 16

約数和(自身を含む): 33543720

約数和(自身を除く): 12984766

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 7829, 15658, 101777, 203554, 790729, 1581458, 10279477, 20558954]

約数ペア:

[(1, 20558954), (2, 10279477), (13, 1581458), (26, 790729), (101, 203554), (202, 101777), (1313, 15658), (2626, 7829)]