20010347275

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{61471}}^1$

素因数の和:61959

約数の個数: 24

約数和(自身を含む): 25726032000

約数和(自身を除く): 5715684725

約数列:

[1, 5, 25, 29, 145, 449, 725, 2245, 11225, 13021, 61471, 65105, 307355, 325525, 1536775, 1782659, 8913295, 27600479, 44566475, 138002395, 690011975, 800413891, 4002069455, 20010347275]

約数ペア:

[(1, 20010347275), (5, 4002069455), (25, 800413891), (29, 690011975), (145, 138002395), (449, 44566475), (725, 27600479), (2245, 8913295), (11225, 1782659), (13021, 1536775), (61471, 325525), (65105, 307355)]