20154496581

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{359}}^1\times {\mathrm{6491}}^1$

素因数の和:6918

約数の個数: 36

約数和(自身を含む): 30169882080

約数和(自身を除く): 10015385499

約数列:

[1, 3, 9, 31, 93, 279, 359, 961, 1077, 2883, 3231, 6491, 8649, 11129, 19473, 33387, 58419, 100161, 201221, 344999, 603663, 1034997, 1810989, 2330269, 3104991, 6237851, 6990807, 18713553, 20972421, 56140659, 72238339, 216715017, 650145051, 2239388509, 6718165527, 20154496581]

約数ペア:

[(1, 20154496581), (3, 6718165527), (9, 2239388509), (31, 650145051), (93, 216715017), (279, 72238339), (359, 56140659), (961, 20972421), (1077, 18713553), (2883, 6990807), (3231, 6237851), (6491, 3104991), (8649, 2330269), (11129, 1810989), (19473, 1034997), (33387, 603663), (58419, 344999), (100161, 201221)]