20077265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{619}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 26040000

約数和(自身を除く): 5962735

約数列:

[1, 5, 13, 65, 499, 619, 2495, 3095, 6487, 8047, 32435, 40235, 308881, 1544405, 4015453, 20077265]

約数ペア:

[(1, 20077265), (5, 4015453), (13, 1544405), (65, 308881), (499, 40235), (619, 32435), (2495, 8047), (3095, 6487)]