20804060095

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6531887}}^1$

素因数の和:6531919

約数の個数: 24

約数和(自身を含む): 31274679744

約数和(自身を除く): 10470619649

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 6531887, 32659435, 45723209, 84914531, 228616045, 320062463, 424572655, 594401717, 1600312315, 2972008585, 4160812019, 20804060095]

約数ペア:

[(1, 20804060095), (5, 4160812019), (7, 2972008585), (13, 1600312315), (35, 594401717), (49, 424572655), (65, 320062463), (91, 228616045), (245, 84914531), (455, 45723209), (637, 32659435), (3185, 6531887)]