20129209947

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{233}}^1\times {\mathrm{1619}}^1$

素因数の和:1894

約数の個数: 108

約数和(自身を含む): 37359471240

約数和(自身を除く): 17230261293

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 147, 231, 233, 363, 441, 539, 693, 699, 847, 1089, 1617, 1619, 1631, 2097, 2541, 2563, 4851, 4857, 4893, 5929, 7623, 7689, 11333, 11417, 14571, 14679, 17787, 17809, 17941, 23067, 28193, 33999, 34251, 53361, 53427, 53823, 79331, 84579, 101997, 102753, 124663, 125587, 160281, 161469, 195899, 197351, 237993, 253737, 373989, 376761, 377227, 587697, 592053, 713979, 872641, 1121967, 1130283, 1131681, 1371293, 1381457, 1763091, 1776159, 2617923, 2640589, 3395043, 4113879, 4144371, 4149497, 7853769, 7921767, 9599051, 12341637, 12433113, 12448491, 18484123, 23765301, 28797153, 29046479, 37345473, 45644467, 55452369, 86391459, 87139437, 136933401, 166357107, 203325353, 261418311, 319511269, 410800203, 609976059, 958533807, 1829928177, 2236578883, 2875601421, 6709736649, 20129209947]

約数ペア:

[(1, 20129209947), (3, 6709736649), (7, 2875601421), (9, 2236578883), (11, 1829928177), (21, 958533807), (33, 609976059), (49, 410800203), (63, 319511269), (77, 261418311), (99, 203325353), (121, 166357107), (147, 136933401), (231, 87139437), (233, 86391459), (363, 55452369), (441, 45644467), (539, 37345473), (693, 29046479), (699, 28797153), (847, 23765301), (1089, 18484123), (1617, 12448491), (1619, 12433113), (1631, 12341637), (2097, 9599051), (2541, 7921767), (2563, 7853769), (4851, 4149497), (4857, 4144371), (4893, 4113879), (5929, 3395043), (7623, 2640589), (7689, 2617923), (11333, 1776159), (11417, 1763091), (14571, 1381457), (14679, 1371293), (17787, 1131681), (17809, 1130283), (17941, 1121967), (23067, 872641), (28193, 713979), (33999, 592053), (34251, 587697), (53361, 377227), (53427, 376761), (53823, 373989), (79331, 253737), (84579, 237993), (101997, 197351), (102753, 195899), (124663, 161469), (125587, 160281)]