20524192

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 23505248

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 103, 104, 206, 208, 412, 416, 479, 824, 958, 1339, 1648, 1916, 2678, 3296, 3832, 5356, 6227, 7664, 10712, 12454, 15328, 21424, 24908, 42848, 49337, 49816, 98674, 99632, 197348, 199264, 394696, 641381, 789392, 1282762, 1578784, 2565524, 5131048, 10262096, 20524192]

約数ペア:

[(1, 20524192), (2, 10262096), (4, 5131048), (8, 2565524), (13, 1578784), (16, 1282762), (26, 789392), (32, 641381), (52, 394696), (103, 199264), (104, 197348), (206, 99632), (208, 98674), (412, 49816), (416, 49337), (479, 42848), (824, 24908), (958, 21424), (1339, 15328), (1648, 12454), (1916, 10712), (2678, 7664), (3296, 6227), (3832, 5356)]