20045154955

素因数分解:

$5^1\times 7^3\times {\mathrm{1871}}^1\times {\mathrm{6247}}^1$

素因数の和:8144

約数の個数: 32

約数和(自身を含む): 28071014400

約数和(自身を除く): 8025859445

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 1871, 6247, 9355, 13097, 31235, 43729, 65485, 91679, 218645, 306103, 458395, 641753, 1530515, 2142721, 3208765, 10713605, 11688137, 58440685, 81816959, 409084795, 572718713, 2863593565, 4009030991, 20045154955]

約数ペア:

[(1, 20045154955), (5, 4009030991), (7, 2863593565), (35, 572718713), (49, 409084795), (245, 81816959), (343, 58440685), (1715, 11688137), (1871, 10713605), (6247, 3208765), (9355, 2142721), (13097, 1530515), (31235, 641753), (43729, 458395), (65485, 306103), (91679, 218645)]