20383371

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 31200000

約数和(自身を除く): 10816629

約数列:

[1, 3, 9, 19, 57, 171, 199, 597, 599, 1791, 1797, 3781, 5391, 11343, 11381, 34029, 34143, 102429, 119201, 357603, 1072809, 2264819, 6794457, 20383371]

約数ペア:

[(1, 20383371), (3, 6794457), (9, 2264819), (19, 1072809), (57, 357603), (171, 119201), (199, 102429), (597, 34143), (599, 34029), (1791, 11381), (1797, 11343), (3781, 5391)]