20208804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21871}}^1$

素因数の和:21896

約数の個数: 48

約数和(自身を含む): 58791936

約数和(自身を除く): 38583132

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 21871, 43742, 65613, 87484, 131226, 153097, 240581, 262452, 306194, 459291, 481162, 612388, 721743, 918582, 962324, 1443486, 1684067, 1837164, 2886972, 3368134, 5052201, 6736268, 10104402, 20208804]

約数ペア:

[(1, 20208804), (2, 10104402), (3, 6736268), (4, 5052201), (6, 3368134), (7, 2886972), (11, 1837164), (12, 1684067), (14, 1443486), (21, 962324), (22, 918582), (28, 721743), (33, 612388), (42, 481162), (44, 459291), (66, 306194), (77, 262452), (84, 240581), (132, 153097), (154, 131226), (231, 87484), (308, 65613), (462, 43742), (924, 21871)]