20305764

素因数分解:

$2^2\times 3^2\times {\mathrm{564049}}^1$

素因数の和:564059

約数の個数: 18

約数和(自身を含む): 51328550

約数和(自身を除く): 31022786

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 564049, 1128098, 1692147, 2256196, 3384294, 5076441, 6768588, 10152882, 20305764]

約数ペア:

[(1, 20305764), (2, 10152882), (3, 6768588), (4, 5076441), (6, 3384294), (9, 2256196), (12, 1692147), (18, 1128098), (36, 564049)]