20171006725

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{1361}}^1\times {\mathrm{6661}}^1$

素因数の和:8121

約数の個数: 24

約数和(自身を含む): 25315466760

約数和(自身を除く): 5144460035

約数列:

[1, 5, 25, 89, 445, 1361, 2225, 6661, 6805, 33305, 34025, 121129, 166525, 592829, 605645, 2964145, 3028225, 9065621, 14820725, 45328105, 226640525, 806840269, 4034201345, 20171006725]

約数ペア:

[(1, 20171006725), (5, 4034201345), (25, 806840269), (89, 226640525), (445, 45328105), (1361, 14820725), (2225, 9065621), (6661, 3028225), (6805, 2964145), (33305, 605645), (34025, 592829), (121129, 166525)]