20869926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 31661274

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 199, 227, 231, 398, 454, 462, 597, 681, 1194, 1362, 1393, 1589, 2189, 2497, 2786, 3178, 4179, 4378, 4767, 4994, 6567, 7491, 8358, 9534, 13134, 14982, 15323, 17479, 30646, 34958, 45173, 45969, 52437, 90346, 91938, 104874, 135519, 271038, 316211, 496903, 632422, 948633, 993806, 1490709, 1897266, 2981418, 3478321, 6956642, 10434963, 20869926]

約数ペア:

[(1, 20869926), (2, 10434963), (3, 6956642), (6, 3478321), (7, 2981418), (11, 1897266), (14, 1490709), (21, 993806), (22, 948633), (33, 632422), (42, 496903), (66, 316211), (77, 271038), (154, 135519), (199, 104874), (227, 91938), (231, 90346), (398, 52437), (454, 45969), (462, 45173), (597, 34958), (681, 30646), (1194, 17479), (1362, 15323), (1393, 14982), (1589, 13134), (2189, 9534), (2497, 8358), (2786, 7491), (3178, 6567), (4179, 4994), (4378, 4767)]