20923604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1907}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 39640608

約数和(自身を除く): 18717004

約数列:

[1, 2, 4, 13, 26, 52, 211, 422, 844, 1907, 2743, 3814, 5486, 7628, 10972, 24791, 49582, 99164, 402377, 804754, 1609508, 5230901, 10461802, 20923604]

約数ペア:

[(1, 20923604), (2, 10461802), (4, 5230901), (13, 1609508), (26, 804754), (52, 402377), (211, 99164), (422, 49582), (844, 24791), (1907, 10972), (2743, 7628), (3814, 5486)]