20843548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{577}}^1\times {\mathrm{821}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 39909744

約数和(自身を除く): 19066196

約数列:

[1, 2, 4, 11, 22, 44, 577, 821, 1154, 1642, 2308, 3284, 6347, 9031, 12694, 18062, 25388, 36124, 473717, 947434, 1894868, 5210887, 10421774, 20843548]

約数ペア:

[(1, 20843548), (2, 10421774), (4, 5210887), (11, 1894868), (22, 947434), (44, 473717), (577, 36124), (821, 25388), (1154, 18062), (1642, 12694), (2308, 9031), (3284, 6347)]