20393703

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 33016984

約数和(自身を除く): 12623281

約数列:

[1, 3, 9, 11, 33, 61, 99, 121, 183, 307, 363, 549, 671, 921, 1089, 2013, 2763, 3377, 6039, 7381, 10131, 18727, 22143, 30393, 37147, 56181, 66429, 111441, 168543, 205997, 334323, 617991, 1853973, 2265967, 6797901, 20393703]

約数ペア:

[(1, 20393703), (3, 6797901), (9, 2265967), (11, 1853973), (33, 617991), (61, 334323), (99, 205997), (121, 168543), (183, 111441), (307, 66429), (363, 56181), (549, 37147), (671, 30393), (921, 22143), (1089, 18727), (2013, 10131), (2763, 7381), (3377, 6039)]