20161109606404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{497706863}}^1$

素因数の和:497706940

約数の個数: 48

約数和(自身を含む): 40971229044480

約数和(自身を除く): 20810119438076

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 247, 494, 533, 779, 988, 1066, 1558, 2132, 3116, 10127, 20254, 40508, 497706863, 995413726, 1990827452, 6470189219, 9456430397, 12940378438, 18912860794, 20405981383, 25880756876, 37825721588, 40811962766, 81623925532, 122933595161, 245867190322, 265277757979, 387713646277, 491734380644, 530555515958, 775427292554, 1061111031916, 1550854585108, 5040277401601, 10080554803202, 20161109606404]

約数ペア:

[(1, 20161109606404), (2, 10080554803202), (4, 5040277401601), (13, 1550854585108), (19, 1061111031916), (26, 775427292554), (38, 530555515958), (41, 491734380644), (52, 387713646277), (76, 265277757979), (82, 245867190322), (164, 122933595161), (247, 81623925532), (494, 40811962766), (533, 37825721588), (779, 25880756876), (988, 20405981383), (1066, 18912860794), (1558, 12940378438), (2132, 9456430397), (3116, 6470189219), (10127, 1990827452), (20254, 995413726), (40508, 497706863)]