20239095

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 14355465

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 255, 417, 571, 695, 1713, 2085, 2363, 2855, 7089, 8565, 9707, 11815, 29121, 35445, 48535, 79369, 145605, 238107, 396845, 1190535, 1349273, 4047819, 6746365, 20239095]

約数ペア:

[(1, 20239095), (3, 6746365), (5, 4047819), (15, 1349273), (17, 1190535), (51, 396845), (85, 238107), (139, 145605), (255, 79369), (417, 48535), (571, 35445), (695, 29121), (1713, 11815), (2085, 9707), (2363, 8565), (2855, 7089)]