20744206592

素因数分解:

$2^8\times {\mathrm{103}}^1\times {\mathrm{786719}}^1$

素因数の和:786838

約数の個数: 36

約数和(自身を含む): 41809447680

約数和(自身を除く): 21065241088

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 256, 412, 824, 1648, 3296, 6592, 13184, 26368, 786719, 1573438, 3146876, 6293752, 12587504, 25175008, 50350016, 81032057, 100700032, 162064114, 201400064, 324128228, 648256456, 1296512912, 2593025824, 5186051648, 10372103296, 20744206592]

約数ペア:

[(1, 20744206592), (2, 10372103296), (4, 5186051648), (8, 2593025824), (16, 1296512912), (32, 648256456), (64, 324128228), (103, 201400064), (128, 162064114), (206, 100700032), (256, 81032057), (412, 50350016), (824, 25175008), (1648, 12587504), (3296, 6293752), (6592, 3146876), (13184, 1573438), (26368, 786719)]