20015389075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{173707}}^1$

素因数の和:174147

約数の個数: 24

約数和(自身を含む): 27140137920

約数和(自身を除く): 7124748845

約数列:

[1, 5, 11, 25, 55, 275, 419, 2095, 4609, 10475, 23045, 115225, 173707, 868535, 1910777, 4342675, 9553885, 47769425, 72783233, 363916165, 800615563, 1819580825, 4003077815, 20015389075]

約数ペア:

[(1, 20015389075), (5, 4003077815), (11, 1819580825), (25, 800615563), (55, 363916165), (275, 72783233), (419, 47769425), (2095, 9553885), (4609, 4342675), (10475, 1910777), (23045, 868535), (115225, 173707)]