20994864

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2339}}^1$

素因数の和:2378

約数の個数: 80

約数和(自身を含む): 62674560

約数和(自身を除く): 41679696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 176, 187, 204, 264, 272, 374, 408, 528, 561, 748, 816, 1122, 1496, 2244, 2339, 2992, 4488, 4678, 7017, 8976, 9356, 14034, 18712, 25729, 28068, 37424, 39763, 51458, 56136, 77187, 79526, 102916, 112272, 119289, 154374, 159052, 205832, 238578, 308748, 318104, 411664, 437393, 477156, 617496, 636208, 874786, 954312, 1234992, 1312179, 1749572, 1908624, 2624358, 3499144, 5248716, 6998288, 10497432, 20994864]

約数ペア:

[(1, 20994864), (2, 10497432), (3, 6998288), (4, 5248716), (6, 3499144), (8, 2624358), (11, 1908624), (12, 1749572), (16, 1312179), (17, 1234992), (22, 954312), (24, 874786), (33, 636208), (34, 617496), (44, 477156), (48, 437393), (51, 411664), (66, 318104), (68, 308748), (88, 238578), (102, 205832), (132, 159052), (136, 154374), (176, 119289), (187, 112272), (204, 102916), (264, 79526), (272, 77187), (374, 56136), (408, 51458), (528, 39763), (561, 37424), (748, 28068), (816, 25729), (1122, 18712), (1496, 14034), (2244, 9356), (2339, 8976), (2992, 7017), (4488, 4678)]