20555504

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12473}}^1$

素因数の和:12584

約数の個数: 20

約数和(自身を含む): 40216176

約数和(自身を除く): 19660672

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12473, 24946, 49892, 99784, 199568, 1284719, 2569438, 5138876, 10277752, 20555504]

約数ペア:

[(1, 20555504), (2, 10277752), (4, 5138876), (8, 2569438), (16, 1284719), (103, 199568), (206, 99784), (412, 49892), (824, 24946), (1648, 12473)]