20493252

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43789}}^1$

素因数の和:43812

約数の個数: 36

約数和(自身を含む): 55788460

約数和(自身を除く): 35295208

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43789, 87578, 131367, 175156, 262734, 394101, 525468, 569257, 788202, 1138514, 1576404, 1707771, 2277028, 3415542, 5123313, 6831084, 10246626, 20493252]

約数ペア:

[(1, 20493252), (2, 10246626), (3, 6831084), (4, 5123313), (6, 3415542), (9, 2277028), (12, 1707771), (13, 1576404), (18, 1138514), (26, 788202), (36, 569257), (39, 525468), (52, 394101), (78, 262734), (117, 175156), (156, 131367), (234, 87578), (468, 43789)]