20648376

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1$

素因数の和:845

約数の個数: 96

約数和(自身を含む): 65201760

約数和(自身を除く): 44553384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 53, 56, 63, 72, 84, 106, 126, 159, 168, 212, 252, 318, 371, 424, 477, 504, 636, 742, 773, 954, 1113, 1272, 1484, 1546, 1908, 2226, 2319, 2968, 3092, 3339, 3816, 4452, 4638, 5411, 6184, 6678, 6957, 8904, 9276, 10822, 13356, 13914, 16233, 18552, 21644, 26712, 27828, 32466, 40969, 43288, 48699, 55656, 64932, 81938, 97398, 122907, 129864, 163876, 194796, 245814, 286783, 327752, 368721, 389592, 491628, 573566, 737442, 860349, 983256, 1147132, 1474884, 1720698, 2294264, 2581047, 2949768, 3441396, 5162094, 6882792, 10324188, 20648376]

約数ペア:

[(1, 20648376), (2, 10324188), (3, 6882792), (4, 5162094), (6, 3441396), (7, 2949768), (8, 2581047), (9, 2294264), (12, 1720698), (14, 1474884), (18, 1147132), (21, 983256), (24, 860349), (28, 737442), (36, 573566), (42, 491628), (53, 389592), (56, 368721), (63, 327752), (72, 286783), (84, 245814), (106, 194796), (126, 163876), (159, 129864), (168, 122907), (212, 97398), (252, 81938), (318, 64932), (371, 55656), (424, 48699), (477, 43288), (504, 40969), (636, 32466), (742, 27828), (773, 26712), (954, 21644), (1113, 18552), (1272, 16233), (1484, 13914), (1546, 13356), (1908, 10822), (2226, 9276), (2319, 8904), (2968, 6957), (3092, 6678), (3339, 6184), (3816, 5411), (4452, 4638)]