20634273

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 32681376

約数和(自身を除く): 12047103

約数列:

[1, 3, 9, 11, 33, 99, 257, 771, 811, 2313, 2433, 2827, 7299, 8481, 8921, 25443, 26763, 80289, 208427, 625281, 1875843, 2292697, 6878091, 20634273]

約数ペア:

[(1, 20634273), (3, 6878091), (9, 2292697), (11, 1875843), (33, 625281), (99, 208427), (257, 80289), (771, 26763), (811, 25443), (2313, 8921), (2433, 8481), (2827, 7299)]