20786385

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 34610688

約数和(自身を除く): 13824303

約数列:

[1, 3, 5, 15, 41, 73, 123, 205, 219, 365, 463, 615, 1095, 1389, 2315, 2993, 6945, 8979, 14965, 18983, 33799, 44895, 56949, 94915, 101397, 168995, 284745, 506985, 1385759, 4157277, 6928795, 20786385]

約数ペア:

[(1, 20786385), (3, 6928795), (5, 4157277), (15, 1385759), (41, 506985), (73, 284745), (123, 168995), (205, 101397), (219, 94915), (365, 56949), (463, 44895), (615, 33799), (1095, 18983), (1389, 14965), (2315, 8979), (2993, 6945)]