20187270832

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6404591}}^1$

素因数の和:6404796

約数の個数: 20

約数和(自身を含む): 39311385696

約数和(自身を除く): 19124114864

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6404591, 12809182, 25618364, 51236728, 102473456, 1261704427, 2523408854, 5046817708, 10093635416, 20187270832]

約数ペア:

[(1, 20187270832), (2, 10093635416), (4, 5046817708), (8, 2523408854), (16, 1261704427), (197, 102473456), (394, 51236728), (788, 25618364), (1576, 12809182), (3152, 6404591)]