20772963

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12128157

約数列:

[1, 3, 9, 17, 27, 51, 153, 167, 271, 459, 501, 813, 1503, 2439, 2839, 4509, 4607, 7317, 8517, 13821, 25551, 41463, 45257, 76653, 124389, 135771, 407313, 769369, 1221939, 2308107, 6924321, 20772963]

約数ペア:

[(1, 20772963), (3, 6924321), (9, 2308107), (17, 1221939), (27, 769369), (51, 407313), (153, 135771), (167, 124389), (271, 76653), (459, 45257), (501, 41463), (813, 25551), (1503, 13821), (2439, 8517), (2839, 7317), (4509, 4607)]