20021276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{1553}}^1$

素因数の和:1861

約数の個数: 24

約数和(自身を含む): 38377584

約数和(自身を除く): 18356308

約数列:

[1, 2, 4, 11, 22, 44, 293, 586, 1172, 1553, 3106, 3223, 6212, 6446, 12892, 17083, 34166, 68332, 455029, 910058, 1820116, 5005319, 10010638, 20021276]

約数ペア:

[(1, 20021276), (2, 10010638), (4, 5005319), (11, 1820116), (22, 910058), (44, 455029), (293, 68332), (586, 34166), (1172, 17083), (1553, 12892), (3106, 6446), (3223, 6212)]