20850742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 15229898

約数列:

[1, 2, 11, 22, 23, 46, 89, 178, 253, 463, 506, 926, 979, 1958, 2047, 4094, 5093, 10186, 10649, 21298, 22517, 41207, 45034, 82414, 117139, 234278, 453277, 906554, 947761, 1895522, 10425371, 20850742]

約数ペア:

[(1, 20850742), (2, 10425371), (11, 1895522), (22, 947761), (23, 906554), (46, 453277), (89, 234278), (178, 117139), (253, 82414), (463, 45034), (506, 41207), (926, 22517), (979, 21298), (1958, 10649), (2047, 10186), (4094, 5093)]