20347593

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1427}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 31907232

約数和(自身を除く): 11559639

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 1427, 2037, 4281, 4753, 9989, 14259, 29967, 69923, 138419, 209769, 415257, 968933, 2906799, 6782531, 20347593]

約数ペア:

[(1, 20347593), (3, 6782531), (7, 2906799), (21, 968933), (49, 415257), (97, 209769), (147, 138419), (291, 69923), (679, 29967), (1427, 14259), (2037, 9989), (4281, 4753)]