20036499

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 31781376

約数和(自身を除く): 11744877

約数列:

[1, 3, 7, 21, 37, 107, 111, 241, 259, 321, 723, 749, 777, 1687, 2247, 3959, 5061, 8917, 11877, 25787, 26751, 27713, 62419, 77361, 83139, 180509, 187257, 541527, 954119, 2862357, 6678833, 20036499]

約数ペア:

[(1, 20036499), (3, 6678833), (7, 2862357), (21, 954119), (37, 541527), (107, 187257), (111, 180509), (241, 83139), (259, 77361), (321, 62419), (723, 27713), (749, 26751), (777, 25787), (1687, 11877), (2247, 8917), (3959, 5061)]