20856864

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:818

約数の個数: 96

約数和(自身を含む): 64181376

約数和(自身を除く): 43324512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 56, 82, 84, 96, 112, 123, 164, 168, 224, 246, 287, 328, 336, 492, 574, 656, 672, 757, 861, 984, 1148, 1312, 1514, 1722, 1968, 2271, 2296, 3028, 3444, 3936, 4542, 4592, 5299, 6056, 6888, 9084, 9184, 10598, 12112, 13776, 15897, 18168, 21196, 24224, 27552, 31037, 31794, 36336, 42392, 62074, 63588, 72672, 84784, 93111, 124148, 127176, 169568, 186222, 217259, 248296, 254352, 372444, 434518, 496592, 508704, 651777, 744888, 869036, 993184, 1303554, 1489776, 1738072, 2607108, 2979552, 3476144, 5214216, 6952288, 10428432, 20856864]

約数ペア:

[(1, 20856864), (2, 10428432), (3, 6952288), (4, 5214216), (6, 3476144), (7, 2979552), (8, 2607108), (12, 1738072), (14, 1489776), (16, 1303554), (21, 993184), (24, 869036), (28, 744888), (32, 651777), (41, 508704), (42, 496592), (48, 434518), (56, 372444), (82, 254352), (84, 248296), (96, 217259), (112, 186222), (123, 169568), (164, 127176), (168, 124148), (224, 93111), (246, 84784), (287, 72672), (328, 63588), (336, 62074), (492, 42392), (574, 36336), (656, 31794), (672, 31037), (757, 27552), (861, 24224), (984, 21196), (1148, 18168), (1312, 15897), (1514, 13776), (1722, 12112), (1968, 10598), (2271, 9184), (2296, 9084), (3028, 6888), (3444, 6056), (3936, 5299), (4542, 4592)]