20590241

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 25290216

約数和(自身を除く): 4699975

約数列:

[1, 7, 37, 41, 49, 259, 277, 287, 1517, 1813, 1939, 2009, 10249, 10619, 11357, 13573, 71743, 74333, 79499, 420209, 502201, 556493, 2941463, 20590241]

約数ペア:

[(1, 20590241), (7, 2941463), (37, 556493), (41, 502201), (49, 420209), (259, 79499), (277, 74333), (287, 71743), (1517, 13573), (1813, 11357), (1939, 10619), (2009, 10249)]