20237049

素因数分解:

$3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:550

約数の個数: 36

約数和(自身を含む): 34397220

約数和(自身を除く): 14160171

約数列:

[1, 3, 7, 9, 21, 49, 63, 109, 147, 327, 421, 441, 763, 981, 1263, 2289, 2947, 3789, 5341, 6867, 8841, 16023, 20629, 26523, 45889, 48069, 61887, 137667, 185661, 321223, 413001, 963669, 2248561, 2891007, 6745683, 20237049]

約数ペア:

[(1, 20237049), (3, 6745683), (7, 2891007), (9, 2248561), (21, 963669), (49, 413001), (63, 321223), (109, 185661), (147, 137667), (327, 61887), (421, 48069), (441, 45889), (763, 26523), (981, 20629), (1263, 16023), (2289, 8841), (2947, 6867), (3789, 5341)]