20788014

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 47980800

約数和(自身を除く): 27192786

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 83, 114, 166, 169, 247, 249, 338, 494, 498, 507, 741, 1014, 1079, 1482, 1577, 2158, 2197, 3154, 3211, 3237, 4394, 4731, 6422, 6474, 6591, 9462, 9633, 13182, 14027, 19266, 20501, 28054, 41002, 41743, 42081, 61503, 83486, 84162, 123006, 125229, 182351, 250458, 266513, 364702, 533026, 547053, 799539, 1094106, 1599078, 3464669, 6929338, 10394007, 20788014]

約数ペア:

[(1, 20788014), (2, 10394007), (3, 6929338), (6, 3464669), (13, 1599078), (19, 1094106), (26, 799539), (38, 547053), (39, 533026), (57, 364702), (78, 266513), (83, 250458), (114, 182351), (166, 125229), (169, 123006), (247, 84162), (249, 83486), (338, 61503), (494, 42081), (498, 41743), (507, 41002), (741, 28054), (1014, 20501), (1079, 19266), (1482, 14027), (1577, 13182), (2158, 9633), (2197, 9462), (3154, 6591), (3211, 6474), (3237, 6422), (4394, 4731)]