20285937

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{593}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 14308623

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 543, 593, 1267, 1629, 1779, 3801, 4151, 4887, 5337, 11403, 12453, 16011, 34209, 37359, 107333, 112077, 321999, 751331, 965997, 2253993, 2897991, 6761979, 20285937]

約数ペア:

[(1, 20285937), (3, 6761979), (7, 2897991), (9, 2253993), (21, 965997), (27, 751331), (63, 321999), (181, 112077), (189, 107333), (543, 37359), (593, 34209), (1267, 16011), (1629, 12453), (1779, 11403), (3801, 5337), (4151, 4887)]