20159672068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1\times {\mathrm{3251}}^1$

素因数の和:4000

約数の個数: 48

約数和(自身を含む): 37478649600

約数和(自身を除く): 17318977532

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 587, 1174, 2348, 2641, 3251, 5282, 6502, 10564, 11153, 13004, 22306, 44612, 61769, 81593, 123538, 163186, 247076, 326372, 451889, 903778, 1550267, 1807556, 1908337, 3100534, 3816674, 6201068, 7633348, 8585891, 17171782, 34343564, 36258403, 72516806, 145033612, 265258843, 530517686, 1061035372, 5039918017, 10079836034, 20159672068]

約数ペア:

[(1, 20159672068), (2, 10079836034), (4, 5039918017), (19, 1061035372), (38, 530517686), (76, 265258843), (139, 145033612), (278, 72516806), (556, 36258403), (587, 34343564), (1174, 17171782), (2348, 8585891), (2641, 7633348), (3251, 6201068), (5282, 3816674), (6502, 3100534), (10564, 1908337), (11153, 1807556), (13004, 1550267), (22306, 903778), (44612, 451889), (61769, 326372), (81593, 247076), (123538, 163186)]