20143249

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 6122351

約数列:

[1, 7, 17, 19, 59, 119, 133, 151, 323, 413, 1003, 1057, 1121, 2261, 2567, 2869, 7021, 7847, 8909, 17969, 19057, 20083, 48773, 62363, 133399, 151453, 169271, 341411, 1060171, 1184897, 2877607, 20143249]

約数ペア:

[(1, 20143249), (7, 2877607), (17, 1184897), (19, 1060171), (59, 341411), (119, 169271), (133, 151453), (151, 133399), (323, 62363), (413, 48773), (1003, 20083), (1057, 19057), (1121, 17969), (2261, 8909), (2567, 7847), (2869, 7021)]