20264085

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26489}}^1$

素因数の和:26517

約数の個数: 24

約数和(自身を含む): 37191960

約数和(自身を除く): 16927875

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26489, 79467, 132445, 238401, 397335, 450313, 1192005, 1350939, 2251565, 4052817, 6754695, 20264085]

約数ペア:

[(1, 20264085), (3, 6754695), (5, 4052817), (9, 2251565), (15, 1350939), (17, 1192005), (45, 450313), (51, 397335), (85, 238401), (153, 132445), (255, 79467), (765, 26489)]