20292545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 30331392

約数和(自身を除く): 10038847

約数列:

[1, 5, 7, 13, 35, 65, 91, 103, 433, 455, 515, 721, 1339, 2165, 3031, 3605, 5629, 6695, 9373, 15155, 28145, 39403, 44599, 46865, 197015, 222995, 312193, 579787, 1560965, 2898935, 4058509, 20292545]

約数ペア:

[(1, 20292545), (5, 4058509), (7, 2898935), (13, 1560965), (35, 579787), (65, 312193), (91, 222995), (103, 197015), (433, 46865), (455, 44599), (515, 39403), (721, 28145), (1339, 15155), (2165, 9373), (3031, 6695), (3605, 5629)]