20307027

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 31268160

約数和(自身を除く): 10961133

約数列:

[1, 3, 13, 17, 39, 51, 109, 221, 281, 327, 663, 843, 1417, 1853, 3653, 4251, 4777, 5559, 10959, 14331, 24089, 30629, 62101, 72267, 91887, 186303, 398177, 520693, 1194531, 1562079, 6769009, 20307027]

約数ペア:

[(1, 20307027), (3, 6769009), (13, 1562079), (17, 1194531), (39, 520693), (51, 398177), (109, 186303), (221, 91887), (281, 72267), (327, 62101), (663, 30629), (843, 24089), (1417, 14331), (1853, 10959), (3653, 5559), (4251, 4777)]