20953475872

素因数分解:

$2^5\times 7^1\times {\mathrm{16943}}^1\times {\mathrm{5521}}^1$

素因数の和:22481

約数の個数: 48

約数和(自身を含む): 47156643072

約数和(自身を除く): 26203167200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 5521, 11042, 16943, 22084, 33886, 38647, 44168, 67772, 77294, 88336, 118601, 135544, 154588, 176672, 237202, 271088, 309176, 474404, 542176, 618352, 948808, 1236704, 1897616, 3795232, 93542303, 187084606, 374169212, 654796121, 748338424, 1309592242, 1496676848, 2619184484, 2993353696, 5238368968, 10476737936, 20953475872]

約数ペア:

[(1, 20953475872), (2, 10476737936), (4, 5238368968), (7, 2993353696), (8, 2619184484), (14, 1496676848), (16, 1309592242), (28, 748338424), (32, 654796121), (56, 374169212), (112, 187084606), (224, 93542303), (5521, 3795232), (11042, 1897616), (16943, 1236704), (22084, 948808), (33886, 618352), (38647, 542176), (44168, 474404), (67772, 309176), (77294, 271088), (88336, 237202), (118601, 176672), (135544, 154588)]