20583927

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 37547328

約数和(自身を除く): 16963401

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 63, 91, 117, 123, 273, 287, 369, 533, 613, 819, 861, 1599, 1839, 2583, 3731, 4291, 4797, 5517, 7969, 11193, 12873, 23907, 25133, 33579, 38619, 55783, 71721, 75399, 167349, 175931, 226197, 326729, 502047, 527793, 980187, 1583379, 2287103, 2940561, 6861309, 20583927]

約数ペア:

[(1, 20583927), (3, 6861309), (7, 2940561), (9, 2287103), (13, 1583379), (21, 980187), (39, 527793), (41, 502047), (63, 326729), (91, 226197), (117, 175931), (123, 167349), (273, 75399), (287, 71721), (369, 55783), (533, 38619), (613, 33579), (819, 25133), (861, 23907), (1599, 12873), (1839, 11193), (2583, 7969), (3731, 5517), (4291, 4797)]