20123793

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{859}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 30856800

約数和(自身を除く): 10733007

約数列:

[1, 3, 9, 19, 57, 137, 171, 411, 859, 1233, 2577, 2603, 7731, 7809, 16321, 23427, 48963, 117683, 146889, 353049, 1059147, 2235977, 6707931, 20123793]

約数ペア:

[(1, 20123793), (3, 6707931), (9, 2235977), (19, 1059147), (57, 353049), (137, 146889), (171, 117683), (411, 48963), (859, 23427), (1233, 16321), (2577, 7809), (2603, 7731)]