20709876

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 56306880

約数和(自身を除く): 35597004

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 121, 132, 187, 204, 242, 363, 374, 484, 561, 726, 748, 839, 1122, 1452, 1678, 2057, 2244, 2517, 3356, 4114, 5034, 6171, 8228, 9229, 10068, 12342, 14263, 18458, 24684, 27687, 28526, 36916, 42789, 55374, 57052, 85578, 101519, 110748, 156893, 171156, 203038, 304557, 313786, 406076, 470679, 609114, 627572, 941358, 1218228, 1725823, 1882716, 3451646, 5177469, 6903292, 10354938, 20709876]

約数ペア:

[(1, 20709876), (2, 10354938), (3, 6903292), (4, 5177469), (6, 3451646), (11, 1882716), (12, 1725823), (17, 1218228), (22, 941358), (33, 627572), (34, 609114), (44, 470679), (51, 406076), (66, 313786), (68, 304557), (102, 203038), (121, 171156), (132, 156893), (187, 110748), (204, 101519), (242, 85578), (363, 57052), (374, 55374), (484, 42789), (561, 36916), (726, 28526), (748, 27687), (839, 24684), (1122, 18458), (1452, 14263), (1678, 12342), (2057, 10068), (2244, 9229), (2517, 8228), (3356, 6171), (4114, 5034)]