20450534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5209}}^1$

素因数の和:5375

約数の個数: 16

約数和(自身を含む): 33260640

約数和(自身を除く): 12810106

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 5209, 10418, 67717, 135434, 786559, 1573118, 10225267, 20450534]

約数ペア:

[(1, 20450534), (2, 10225267), (13, 1573118), (26, 786559), (151, 135434), (302, 67717), (1963, 10418), (3926, 5209)]