20668565566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1423}}^1\times {\mathrm{1663}}^1$

素因数の和:3496

約数の個数: 32

約数和(自身を含む): 33950711808

約数和(自身を除く): 13282146242

約数列:

[1, 2, 11, 22, 397, 794, 1423, 1663, 2846, 3326, 4367, 8734, 15653, 18293, 31306, 36586, 564931, 660211, 1129862, 1320422, 2366449, 4732898, 6214241, 7262321, 12428482, 14524642, 26030939, 52061878, 939480253, 1878960506, 10334282783, 20668565566]

約数ペア:

[(1, 20668565566), (2, 10334282783), (11, 1878960506), (22, 939480253), (397, 52061878), (794, 26030939), (1423, 14524642), (1663, 12428482), (2846, 7262321), (3326, 6214241), (4367, 4732898), (8734, 2366449), (15653, 1320422), (18293, 1129862), (31306, 660211), (36586, 564931)]