19720714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{44617}}^1$

素因数の和:44649

約数の個数: 16

約数和(自身を含む): 33731208

約数和(自身を除く): 14010494

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 44617, 89234, 580021, 758489, 1160042, 1516978, 9860357, 19720714]

約数ペア:

[(1, 19720714), (2, 9860357), (13, 1516978), (17, 1160042), (26, 758489), (34, 580021), (221, 89234), (442, 44617)]