20975790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3739}}^1$

素因数の和:3777

約数の個数: 64

約数和(自身を含む): 58164480

約数和(自身を除く): 37188690

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 85, 102, 110, 165, 170, 187, 255, 330, 374, 510, 561, 935, 1122, 1870, 2805, 3739, 5610, 7478, 11217, 18695, 22434, 37390, 41129, 56085, 63563, 82258, 112170, 123387, 127126, 190689, 205645, 246774, 317815, 381378, 411290, 616935, 635630, 699193, 953445, 1233870, 1398386, 1906890, 2097579, 3495965, 4195158, 6991930, 10487895, 20975790]

約数ペア:

[(1, 20975790), (2, 10487895), (3, 6991930), (5, 4195158), (6, 3495965), (10, 2097579), (11, 1906890), (15, 1398386), (17, 1233870), (22, 953445), (30, 699193), (33, 635630), (34, 616935), (51, 411290), (55, 381378), (66, 317815), (85, 246774), (102, 205645), (110, 190689), (165, 127126), (170, 123387), (187, 112170), (255, 82258), (330, 63563), (374, 56085), (510, 41129), (561, 37390), (935, 22434), (1122, 18695), (1870, 11217), (2805, 7478), (3739, 5610)]