20147085

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9137}}^1$

素因数の和:9162

約数の個数: 36

約数和(自身を含む): 40627548

約数和(自身を除く): 20480463

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9137, 27411, 45685, 63959, 82233, 137055, 191877, 319795, 411165, 447713, 575631, 959385, 1343139, 2238565, 2878155, 4029417, 6715695, 20147085]

約数ペア:

[(1, 20147085), (3, 6715695), (5, 4029417), (7, 2878155), (9, 2238565), (15, 1343139), (21, 959385), (35, 575631), (45, 447713), (49, 411165), (63, 319795), (105, 191877), (147, 137055), (245, 82233), (315, 63959), (441, 45685), (735, 27411), (2205, 9137)]