20576919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 32465664

約数和(自身を除く): 11888745

約数列:

[1, 3, 11, 17, 33, 43, 51, 129, 187, 473, 561, 731, 853, 1419, 2193, 2559, 8041, 9383, 14501, 24123, 28149, 36679, 43503, 110037, 159511, 403469, 478533, 623543, 1210407, 1870629, 6858973, 20576919]

約数ペア:

[(1, 20576919), (3, 6858973), (11, 1870629), (17, 1210407), (33, 623543), (43, 478533), (51, 403469), (129, 159511), (187, 110037), (473, 43503), (561, 36679), (731, 28149), (853, 24123), (1419, 14501), (2193, 9383), (2559, 8041)]