20566986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7247}}^1$

素因数の和:7306

約数の個数: 32

約数和(自身を含む): 45923328

約数和(自身を除く): 25356342

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 7247, 14494, 21741, 43482, 79717, 159434, 239151, 311621, 478302, 623242, 934863, 1869726, 3427831, 6855662, 10283493, 20566986]

約数ペア:

[(1, 20566986), (2, 10283493), (3, 6855662), (6, 3427831), (11, 1869726), (22, 934863), (33, 623242), (43, 478302), (66, 311621), (86, 239151), (129, 159434), (258, 79717), (473, 43482), (946, 21741), (1419, 14494), (2838, 7247)]