20705328

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 160

約数和(自身を含む): 69995520

約数和(自身を除く): 49290192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 41, 42, 48, 54, 56, 63, 72, 82, 84, 108, 112, 123, 126, 144, 164, 167, 168, 189, 216, 246, 252, 287, 328, 334, 336, 369, 378, 432, 492, 501, 504, 574, 656, 668, 738, 756, 861, 984, 1002, 1008, 1107, 1148, 1169, 1336, 1476, 1503, 1512, 1722, 1968, 2004, 2214, 2296, 2338, 2583, 2672, 2952, 3006, 3024, 3444, 3507, 4008, 4428, 4509, 4592, 4676, 5166, 5904, 6012, 6847, 6888, 7014, 7749, 8016, 8856, 9018, 9352, 10332, 10521, 12024, 13694, 13776, 14028, 15498, 17712, 18036, 18704, 20541, 20664, 21042, 24048, 27388, 28056, 30996, 31563, 36072, 41082, 41328, 42084, 47929, 54776, 56112, 61623, 61992, 63126, 72144, 82164, 84168, 95858, 109552, 123246, 123984, 126252, 143787, 164328, 168336, 184869, 191716, 246492, 252504, 287574, 328656, 369738, 383432, 431361, 492984, 505008, 575148, 739476, 766864, 862722, 985968, 1150296, 1294083, 1478952, 1725444, 2300592, 2588166, 2957904, 3450888, 5176332, 6901776, 10352664, 20705328]

約数ペア:

[(1, 20705328), (2, 10352664), (3, 6901776), (4, 5176332), (6, 3450888), (7, 2957904), (8, 2588166), (9, 2300592), (12, 1725444), (14, 1478952), (16, 1294083), (18, 1150296), (21, 985968), (24, 862722), (27, 766864), (28, 739476), (36, 575148), (41, 505008), (42, 492984), (48, 431361), (54, 383432), (56, 369738), (63, 328656), (72, 287574), (82, 252504), (84, 246492), (108, 191716), (112, 184869), (123, 168336), (126, 164328), (144, 143787), (164, 126252), (167, 123984), (168, 123246), (189, 109552), (216, 95858), (246, 84168), (252, 82164), (287, 72144), (328, 63126), (334, 61992), (336, 61623), (369, 56112), (378, 54776), (432, 47929), (492, 42084), (501, 41328), (504, 41082), (574, 36072), (656, 31563), (668, 30996), (738, 28056), (756, 27388), (861, 24048), (984, 21042), (1002, 20664), (1008, 20541), (1107, 18704), (1148, 18036), (1169, 17712), (1336, 15498), (1476, 14028), (1503, 13776), (1512, 13694), (1722, 12024), (1968, 10521), (2004, 10332), (2214, 9352), (2296, 9018), (2338, 8856), (2583, 8016), (2672, 7749), (2952, 7014), (3006, 6888), (3024, 6847), (3444, 6012), (3507, 5904), (4008, 5166), (4428, 4676), (4509, 4592)]