20590689

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 33543936

約数和(自身を除く): 12953247

約数列:

[1, 3, 7, 17, 21, 51, 119, 137, 357, 411, 421, 959, 1263, 2329, 2877, 2947, 6987, 7157, 8841, 16303, 21471, 48909, 50099, 57677, 150297, 173031, 403739, 980509, 1211217, 2941527, 6863563, 20590689]

約数ペア:

[(1, 20590689), (3, 6863563), (7, 2941527), (17, 1211217), (21, 980509), (51, 403739), (119, 173031), (137, 150297), (357, 57677), (411, 50099), (421, 48909), (959, 21471), (1263, 16303), (2329, 8841), (2877, 7157), (2947, 6987)]