20618703

素因数分解:

$3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1117}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 34183968

約数和(自身を除く): 13565265

約数列:

[1, 3, 7, 9, 21, 63, 293, 879, 1117, 2051, 2637, 3351, 6153, 7819, 10053, 18459, 23457, 70371, 327281, 981843, 2290967, 2945529, 6872901, 20618703]

約数ペア:

[(1, 20618703), (3, 6872901), (7, 2945529), (9, 2290967), (21, 981843), (63, 327281), (293, 70371), (879, 23457), (1117, 18459), (2051, 10053), (2637, 7819), (3351, 6153)]