20119043

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6577}}^1$

素因数の和:6626

約数の個数: 16

約数和(自身を含む): 25259520

約数和(自身を除く): 5140477

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6577, 46039, 124963, 151271, 874741, 1058897, 2874149, 20119043]

約数ペア:

[(1, 20119043), (7, 2874149), (19, 1058897), (23, 874741), (133, 151271), (161, 124963), (437, 46039), (3059, 6577)]