20199871225

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{487}}^1\times {\mathrm{16427}}^1$

素因数の和:17025

約数の個数: 24

約数和(自身を含む): 25349323968

約数和(自身を除く): 5149452743

約数列:

[1, 5, 25, 101, 487, 505, 2435, 2525, 12175, 16427, 49187, 82135, 245935, 410675, 1229675, 1659127, 7999949, 8295635, 39999745, 41478175, 199998725, 807994849, 4039974245, 20199871225]

約数ペア:

[(1, 20199871225), (5, 4039974245), (25, 807994849), (101, 199998725), (487, 41478175), (505, 39999745), (2435, 8295635), (2525, 7999949), (12175, 1659127), (16427, 1229675), (49187, 410675), (82135, 245935)]