20590842

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 46531584

約数和(自身を除く): 25940742

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 67, 69, 102, 131, 134, 138, 201, 262, 391, 393, 402, 782, 786, 1139, 1173, 1541, 2227, 2278, 2346, 3013, 3082, 3417, 4454, 4623, 6026, 6681, 6834, 8777, 9039, 9246, 13362, 17554, 18078, 26197, 26331, 51221, 52394, 52662, 78591, 102442, 149209, 153663, 157182, 201871, 298418, 307326, 403742, 447627, 605613, 895254, 1211226, 3431807, 6863614, 10295421, 20590842]

約数ペア:

[(1, 20590842), (2, 10295421), (3, 6863614), (6, 3431807), (17, 1211226), (23, 895254), (34, 605613), (46, 447627), (51, 403742), (67, 307326), (69, 298418), (102, 201871), (131, 157182), (134, 153663), (138, 149209), (201, 102442), (262, 78591), (391, 52662), (393, 52394), (402, 51221), (782, 26331), (786, 26197), (1139, 18078), (1173, 17554), (1541, 13362), (2227, 9246), (2278, 9039), (2346, 8777), (3013, 6834), (3082, 6681), (3417, 6026), (4454, 4623)]