20565862542

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{551689}}^1$

素因数の和:551825

約数の個数: 48

約数和(自身を含む): 47335002000

約数和(自身を除く): 26769139458

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 109, 114, 171, 218, 327, 342, 654, 981, 1962, 2071, 4142, 6213, 12426, 18639, 37278, 551689, 1103378, 1655067, 3310134, 4965201, 9930402, 10482091, 20964182, 31446273, 60134101, 62892546, 94338819, 120268202, 180402303, 188677638, 360804606, 541206909, 1082413818, 1142547919, 2285095838, 3427643757, 6855287514, 10282931271, 20565862542]

約数ペア:

[(1, 20565862542), (2, 10282931271), (3, 6855287514), (6, 3427643757), (9, 2285095838), (18, 1142547919), (19, 1082413818), (38, 541206909), (57, 360804606), (109, 188677638), (114, 180402303), (171, 120268202), (218, 94338819), (327, 62892546), (342, 60134101), (654, 31446273), (981, 20964182), (1962, 10482091), (2071, 9930402), (4142, 4965201), (6213, 3310134), (12426, 1655067), (18639, 1103378), (37278, 551689)]