20702001

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15791}}^1$

素因数の和:15836

約数の個数: 16

約数和(自身を含む): 30320640

約数和(自身を除く): 9618639

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 15791, 47373, 300029, 363193, 900087, 1089579, 6900667, 20702001]

約数ペア:

[(1, 20702001), (3, 6900667), (19, 1089579), (23, 900087), (57, 363193), (69, 300029), (437, 47373), (1311, 15791)]