20178444

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1069}}^1$

素因数の和:1111

約数の個数: 72

約数和(自身を含む): 55785520

約数和(自身を除く): 35607076

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 242, 286, 363, 429, 484, 572, 726, 858, 1069, 1452, 1573, 1716, 2138, 3146, 3207, 4276, 4719, 6292, 6414, 9438, 11759, 12828, 13897, 18876, 23518, 27794, 35277, 41691, 47036, 55588, 70554, 83382, 129349, 141108, 152867, 166764, 258698, 305734, 388047, 458601, 517396, 611468, 776094, 917202, 1552188, 1681537, 1834404, 3363074, 5044611, 6726148, 10089222, 20178444]

約数ペア:

[(1, 20178444), (2, 10089222), (3, 6726148), (4, 5044611), (6, 3363074), (11, 1834404), (12, 1681537), (13, 1552188), (22, 917202), (26, 776094), (33, 611468), (39, 517396), (44, 458601), (52, 388047), (66, 305734), (78, 258698), (121, 166764), (132, 152867), (143, 141108), (156, 129349), (242, 83382), (286, 70554), (363, 55588), (429, 47036), (484, 41691), (572, 35277), (726, 27794), (858, 23518), (1069, 18876), (1452, 13897), (1573, 12828), (1716, 11759), (2138, 9438), (3146, 6414), (3207, 6292), (4276, 4719)]