20145793473

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{438133}}^1$

素因数の和:438286

約数の個数: 32

約数和(自身を含む): 32386865280

約数和(自身を除く): 12241071807

約数列:

[1, 3, 9, 13, 27, 39, 117, 131, 351, 393, 1179, 1703, 3537, 5109, 15327, 45981, 438133, 1314399, 3943197, 5695729, 11829591, 17087187, 51261561, 57395423, 153784683, 172186269, 516558807, 746140499, 1549676421, 2238421497, 6715264491, 20145793473]

約数ペア:

[(1, 20145793473), (3, 6715264491), (9, 2238421497), (13, 1549676421), (27, 746140499), (39, 516558807), (117, 172186269), (131, 153784683), (351, 57395423), (393, 51261561), (1179, 17087187), (1703, 11829591), (3537, 5695729), (5109, 3943197), (15327, 1314399), (45981, 438133)]