20005668

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 54257112

約数和(自身を除く): 34251444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 97, 102, 153, 194, 204, 291, 306, 337, 388, 582, 612, 674, 873, 1011, 1164, 1348, 1649, 1746, 2022, 3033, 3298, 3492, 4044, 4947, 5729, 6066, 6596, 9894, 11458, 12132, 14841, 17187, 19788, 22916, 29682, 32689, 34374, 51561, 59364, 65378, 68748, 98067, 103122, 130756, 196134, 206244, 294201, 392268, 555713, 588402, 1111426, 1176804, 1667139, 2222852, 3334278, 5001417, 6668556, 10002834, 20005668]

約数ペア:

[(1, 20005668), (2, 10002834), (3, 6668556), (4, 5001417), (6, 3334278), (9, 2222852), (12, 1667139), (17, 1176804), (18, 1111426), (34, 588402), (36, 555713), (51, 392268), (68, 294201), (97, 206244), (102, 196134), (153, 130756), (194, 103122), (204, 98067), (291, 68748), (306, 65378), (337, 59364), (388, 51561), (582, 34374), (612, 32689), (674, 29682), (873, 22916), (1011, 19788), (1164, 17187), (1348, 14841), (1649, 12132), (1746, 11458), (2022, 9894), (3033, 6596), (3298, 6066), (3492, 5729), (4044, 4947)]