20805122021

素因数分解:

${\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{829}}^1\times {\mathrm{1427}}^1$

素因数の和:2708

約数の個数: 16

約数和(自身を含む): 21381729600

約数和(自身を除く): 576607579

約数列:

[1, 43, 409, 829, 1427, 17587, 35647, 61361, 339061, 583643, 1182983, 14579623, 25096649, 50868269, 483840047, 20805122021]

約数ペア:

[(1, 20805122021), (43, 483840047), (409, 50868269), (829, 25096649), (1427, 14579623), (17587, 1182983), (35647, 583643), (61361, 339061)]