20153992328

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{28621}}^1$

素因数の和:28782

約数の個数: 64

約数和(自身を含む): 40803523200

約数和(自身を除く): 20649530872

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 89, 92, 172, 178, 184, 344, 356, 712, 989, 1978, 2047, 3827, 3956, 4094, 7654, 7912, 8188, 15308, 16376, 28621, 30616, 57242, 88021, 114484, 176042, 228968, 352084, 658283, 704168, 1230703, 1316566, 2461406, 2547269, 2633132, 4922812, 5094538, 5266264, 9845624, 10189076, 20378152, 28306169, 56612338, 58587187, 109532567, 113224676, 117174374, 219065134, 226449352, 234348748, 438130268, 468697496, 876260536, 2519249041, 5038498082, 10076996164, 20153992328]

約数ペア:

[(1, 20153992328), (2, 10076996164), (4, 5038498082), (8, 2519249041), (23, 876260536), (43, 468697496), (46, 438130268), (86, 234348748), (89, 226449352), (92, 219065134), (172, 117174374), (178, 113224676), (184, 109532567), (344, 58587187), (356, 56612338), (712, 28306169), (989, 20378152), (1978, 10189076), (2047, 9845624), (3827, 5266264), (3956, 5094538), (4094, 4922812), (7654, 2633132), (7912, 2547269), (8188, 2461406), (15308, 1316566), (16376, 1230703), (28621, 704168), (30616, 658283), (57242, 352084), (88021, 228968), (114484, 176042)]