20053845

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21221}}^1$

素因数の和:21242

約数の個数: 32

約数和(自身を含む): 40746240

約数和(自身を除く): 20692395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21221, 63663, 106105, 148547, 190989, 318315, 445641, 572967, 742735, 954945, 1336923, 2228205, 2864835, 4010769, 6684615, 20053845]

約数ペア:

[(1, 20053845), (3, 6684615), (5, 4010769), (7, 2864835), (9, 2228205), (15, 1336923), (21, 954945), (27, 742735), (35, 572967), (45, 445641), (63, 318315), (105, 190989), (135, 148547), (189, 106105), (315, 63663), (945, 21221)]