20804065636

素因数分解:

$2^2\times {\mathrm{397}}^1\times {\mathrm{1279}}^1\times {\mathrm{10243}}^1$

素因数の和:11923

約数の個数: 24

約数和(自身を含む): 36530923520

約数和(自身を除く): 15726857884

約数列:

[1, 2, 4, 397, 794, 1279, 1588, 2558, 5116, 10243, 20486, 40972, 507763, 1015526, 2031052, 4066471, 8132942, 13100797, 16265884, 26201594, 52403188, 5201016409, 10402032818, 20804065636]

約数ペア:

[(1, 20804065636), (2, 10402032818), (4, 5201016409), (397, 52403188), (794, 26201594), (1279, 16265884), (1588, 13100797), (2558, 8132942), (5116, 4066471), (10243, 2031052), (20486, 1015526), (40972, 507763)]