20165756

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1350

約数の個数: 36

約数和(自身を含む): 39905712

約数和(自身を除く): 19739956

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 169, 299, 338, 598, 676, 1196, 1297, 2594, 3887, 5188, 7774, 15548, 16861, 29831, 33722, 59662, 67444, 119324, 219193, 387803, 438386, 775606, 876772, 1551212, 5041439, 10082878, 20165756]

約数ペア:

[(1, 20165756), (2, 10082878), (4, 5041439), (13, 1551212), (23, 876772), (26, 775606), (46, 438386), (52, 387803), (92, 219193), (169, 119324), (299, 67444), (338, 59662), (598, 33722), (676, 29831), (1196, 16861), (1297, 15548), (2594, 7774), (3887, 5188)]