20103468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21757}}^1$

素因数の和:21782

約数の個数: 48

約数和(自身を含む): 58485504

約数和(自身を除く): 38382036

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, 21757, 43514, 65271, 87028, 130542, 152299, 239327, 261084, 304598, 456897, 478654, 609196, 717981, 913794, 957308, 1435962, 1675289, 1827588, 2871924, 3350578, 5025867, 6701156, 10051734, 20103468]

約数ペア:

[(1, 20103468), (2, 10051734), (3, 6701156), (4, 5025867), (6, 3350578), (7, 2871924), (11, 1827588), (12, 1675289), (14, 1435962), (21, 957308), (22, 913794), (28, 717981), (33, 609196), (42, 478654), (44, 456897), (66, 304598), (77, 261084), (84, 239327), (132, 152299), (154, 130542), (231, 87028), (308, 65271), (462, 43514), (924, 21757)]