20001765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2683}}^1$

素因数の和:2769

約数の個数: 32

約数和(自身を含む): 37103616

約数和(自身を除く): 17101851

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 2683, 7455, 8049, 13415, 18781, 40245, 56343, 93905, 190493, 281715, 571479, 952465, 1333451, 2857395, 4000353, 6667255, 20001765]

約数ペア:

[(1, 20001765), (3, 6667255), (5, 4000353), (7, 2857395), (15, 1333451), (21, 952465), (35, 571479), (71, 281715), (105, 190493), (213, 93905), (355, 56343), (497, 40245), (1065, 18781), (1491, 13415), (2485, 8049), (2683, 7455)]