20738817

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{773}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 32842368

約数和(自身を除く): 12103551

約数列:

[1, 3, 9, 11, 33, 99, 271, 773, 813, 2319, 2439, 2981, 6957, 8503, 8943, 25509, 26829, 76527, 209483, 628449, 1885347, 2304313, 6912939, 20738817]

約数ペア:

[(1, 20738817), (3, 6912939), (9, 2304313), (11, 1885347), (33, 628449), (99, 209483), (271, 76527), (773, 26829), (813, 25509), (2319, 8943), (2439, 8503), (2981, 6957)]