20426121

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1373}}^1$

素因数の和:1430

約数の個数: 32

約数和(自身を含む): 32976000

約数和(自身を除く): 12549879

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1373, 1653, 4119, 4959, 12357, 14877, 26087, 37071, 39817, 78261, 119451, 234783, 358353, 704349, 756523, 1075059, 2269569, 6808707, 20426121]

約数ペア:

[(1, 20426121), (3, 6808707), (9, 2269569), (19, 1075059), (27, 756523), (29, 704349), (57, 358353), (87, 234783), (171, 119451), (261, 78261), (513, 39817), (551, 37071), (783, 26087), (1373, 14877), (1653, 12357), (4119, 4959)]