20647008

素因数分解:

$2^5\times 3^3\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1081

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 42252192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 92, 96, 108, 138, 144, 184, 207, 216, 276, 288, 368, 414, 432, 552, 621, 736, 828, 864, 1039, 1104, 1242, 1656, 2078, 2208, 2484, 3117, 3312, 4156, 4968, 6234, 6624, 8312, 9351, 9936, 12468, 16624, 18702, 19872, 23897, 24936, 28053, 33248, 37404, 47794, 49872, 56106, 71691, 74808, 95588, 99744, 112212, 143382, 149616, 191176, 215073, 224424, 286764, 299232, 382352, 430146, 448848, 573528, 645219, 764704, 860292, 897696, 1147056, 1290438, 1720584, 2294112, 2580876, 3441168, 5161752, 6882336, 10323504, 20647008]

約数ペア:

[(1, 20647008), (2, 10323504), (3, 6882336), (4, 5161752), (6, 3441168), (8, 2580876), (9, 2294112), (12, 1720584), (16, 1290438), (18, 1147056), (23, 897696), (24, 860292), (27, 764704), (32, 645219), (36, 573528), (46, 448848), (48, 430146), (54, 382352), (69, 299232), (72, 286764), (92, 224424), (96, 215073), (108, 191176), (138, 149616), (144, 143382), (184, 112212), (207, 99744), (216, 95588), (276, 74808), (288, 71691), (368, 56106), (414, 49872), (432, 47794), (552, 37404), (621, 33248), (736, 28053), (828, 24936), (864, 23897), (1039, 19872), (1104, 18702), (1242, 16624), (1656, 12468), (2078, 9936), (2208, 9351), (2484, 8312), (3117, 6624), (3312, 6234), (4156, 4968)]