20440497

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12641}}^1$

素因数の和:12669

約数の個数: 24

約数和(自身を含む): 34588512

約数和(自身を除く): 14148015

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12641, 37923, 88487, 139051, 265461, 417153, 619409, 973357, 1858227, 2920071, 6813499, 20440497]

約数ペア:

[(1, 20440497), (3, 6813499), (7, 2920071), (11, 1858227), (21, 973357), (33, 619409), (49, 417153), (77, 265461), (147, 139051), (231, 88487), (539, 37923), (1617, 12641)]