20293072878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260167601}}^1$

素因数の和:260167619

約数の個数: 16

約数和(自身を含む): 43708157136

約数和(自身を除く): 23415084258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 260167601, 520335202, 780502803, 1561005606, 3382178813, 6764357626, 10146536439, 20293072878]

約数ペア:

[(1, 20293072878), (2, 10146536439), (3, 6764357626), (6, 3382178813), (13, 1561005606), (26, 780502803), (39, 520335202), (78, 260167601)]