20154285

素因数分解:

$3^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{443}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 36017280

約数和(自身を除く): 15862995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 337, 443, 1011, 1329, 1685, 2215, 3033, 3987, 5055, 6645, 9099, 11961, 15165, 19935, 45495, 59805, 149291, 447873, 746455, 1343619, 2239365, 4030857, 6718095, 20154285]

約数ペア:

[(1, 20154285), (3, 6718095), (5, 4030857), (9, 2239365), (15, 1343619), (27, 746455), (45, 447873), (135, 149291), (337, 59805), (443, 45495), (1011, 19935), (1329, 15165), (1685, 11961), (2215, 9099), (3033, 6645), (3987, 5055)]