20553054

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 24685986

約数列:

[1, 2, 3, 6, 29, 41, 43, 58, 67, 82, 86, 87, 123, 129, 134, 174, 201, 246, 258, 402, 1189, 1247, 1763, 1943, 2378, 2494, 2747, 2881, 3526, 3567, 3741, 3886, 5289, 5494, 5762, 5829, 7134, 7482, 8241, 8643, 10578, 11658, 16482, 17286, 51127, 79663, 83549, 102254, 118121, 153381, 159326, 167098, 236242, 238989, 250647, 306762, 354363, 477978, 501294, 708726, 3425509, 6851018, 10276527, 20553054]

約数ペア:

[(1, 20553054), (2, 10276527), (3, 6851018), (6, 3425509), (29, 708726), (41, 501294), (43, 477978), (58, 354363), (67, 306762), (82, 250647), (86, 238989), (87, 236242), (123, 167098), (129, 159326), (134, 153381), (174, 118121), (201, 102254), (246, 83549), (258, 79663), (402, 51127), (1189, 17286), (1247, 16482), (1763, 11658), (1943, 10578), (2378, 8643), (2494, 8241), (2747, 7482), (2881, 7134), (3526, 5829), (3567, 5762), (3741, 5494), (3886, 5289)]