20412535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28549}}^1$

素因数の和:28578

約数の個数: 16

約数和(自身を含む): 28778400

約数和(自身を除く): 8365865

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28549, 142745, 314039, 371137, 1570195, 1855685, 4082507, 20412535]

約数ペア:

[(1, 20412535), (5, 4082507), (11, 1855685), (13, 1570195), (55, 371137), (65, 314039), (143, 142745), (715, 28549)]