20147517

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7487}}^1$

素因数の和:7529

約数の個数: 24

約数和(自身を含む): 32707584

約数和(自身を除く): 12560067

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 7487, 22461, 67383, 97331, 172201, 291993, 516603, 875979, 1549809, 2238613, 6715839, 20147517]

約数ペア:

[(1, 20147517), (3, 6715839), (9, 2238613), (13, 1549809), (23, 875979), (39, 516603), (69, 291993), (117, 172201), (207, 97331), (299, 67383), (897, 22461), (2691, 7487)]