20428902

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29101}}^1$

素因数の和:29125

約数の個数: 32

約数和(自身を含む): 48891360

約数和(自身を除く): 28462458

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 29101, 58202, 87303, 174606, 261909, 378313, 523818, 756626, 785727, 1134939, 1571454, 2269878, 3404817, 6809634, 10214451, 20428902]

約数ペア:

[(1, 20428902), (2, 10214451), (3, 6809634), (6, 3404817), (9, 2269878), (13, 1571454), (18, 1134939), (26, 785727), (27, 756626), (39, 523818), (54, 378313), (78, 261909), (117, 174606), (234, 87303), (351, 58202), (702, 29101)]