20543845

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30893}}^1$

素因数の和:30924

約数の個数: 16

約数和(自身を含む): 29658240

約数和(自身を除く): 9114395

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30893, 154465, 216251, 586967, 1081255, 2934835, 4108769, 20543845]

約数ペア:

[(1, 20543845), (5, 4108769), (7, 2934835), (19, 1081255), (35, 586967), (95, 216251), (133, 154465), (665, 30893)]