20093745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11257}}^1$

素因数の和:11289

約数の個数: 32

約数和(自身を含む): 38907648

約数和(自身を除く): 18813903

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11257, 33771, 56285, 78799, 168855, 191369, 236397, 393995, 574107, 956845, 1181985, 1339583, 2870535, 4018749, 6697915, 20093745]

約数ペア:

[(1, 20093745), (3, 6697915), (5, 4018749), (7, 2870535), (15, 1339583), (17, 1181985), (21, 956845), (35, 574107), (51, 393995), (85, 236397), (105, 191369), (119, 168855), (255, 78799), (357, 56285), (595, 33771), (1785, 11257)]