20541528

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:841

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 44323272

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, 769, 954, 1113, 1272, 1484, 1538, 1908, 2226, 2307, 2968, 3076, 3339, 3816, 4452, 4614, 5383, 6152, 6678, 6921, 8904, 9228, 10766, 13356, 13842, 16149, 18456, 21532, 26712, 27684, 32298, 40757, 43064, 48447, 55368, 64596, 81514, 96894, 122271, 129192, 163028, 193788, 244542, 285299, 326056, 366813, 387576, 489084, 570598, 733626, 855897, 978168, 1141196, 1467252, 1711794, 2282392, 2567691, 2934504, 3423588, 5135382, 6847176, 10270764, 20541528]

約数ペア:

[(1, 20541528), (2, 10270764), (3, 6847176), (4, 5135382), (6, 3423588), (7, 2934504), (8, 2567691), (9, 2282392), (12, 1711794), (14, 1467252), (18, 1141196), (21, 978168), (24, 855897), (28, 733626), (36, 570598), (42, 489084), (53, 387576), (56, 366813), (63, 326056), (72, 285299), (84, 244542), (106, 193788), (126, 163028), (159, 129192), (168, 122271), (212, 96894), (252, 81514), (318, 64596), (371, 55368), (424, 48447), (477, 43064), (504, 40757), (636, 32298), (742, 27684), (769, 26712), (954, 21532), (1113, 18456), (1272, 16149), (1484, 13842), (1538, 13356), (1908, 10766), (2226, 9228), (2307, 8904), (2968, 6921), (3076, 6678), (3339, 6152), (3816, 5383), (4452, 4614)]