20727231

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16729}}^1$

素因数の和:16798

約数の個数: 16

約数和(自身を含む): 32121600

約数和(自身を除く): 11394369

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 16729, 50187, 117103, 351309, 987011, 2961033, 6909077, 20727231]

約数ペア:

[(1, 20727231), (3, 6909077), (7, 2961033), (21, 987011), (59, 351309), (177, 117103), (413, 50187), (1239, 16729)]