20145793437

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{266701}}^1$

素因数の和:266834

約数の個数: 48

約数和(自身を含む): 36612850560

約数和(自身を除く): 16467057123

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 109, 231, 327, 693, 763, 981, 1199, 2289, 3597, 6867, 8393, 10791, 25179, 75537, 266701, 800103, 1866907, 2400309, 2933711, 5600721, 8801133, 16802163, 20535977, 26403399, 29070409, 61607931, 87211227, 184823793, 203492863, 261633681, 319774499, 610478589, 959323497, 1831435767, 2238421493, 2877970491, 6715264479, 20145793437]

約数ペア:

[(1, 20145793437), (3, 6715264479), (7, 2877970491), (9, 2238421493), (11, 1831435767), (21, 959323497), (33, 610478589), (63, 319774499), (77, 261633681), (99, 203492863), (109, 184823793), (231, 87211227), (327, 61607931), (693, 29070409), (763, 26403399), (981, 20535977), (1199, 16802163), (2289, 8801133), (3597, 5600721), (6867, 2933711), (8393, 2400309), (10791, 1866907), (25179, 800103), (75537, 266701)]