20569608

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2621}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 56241900

約数和(自身を除く): 35672292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2616, 2621, 3924, 5242, 7848, 7863, 10484, 15726, 20968, 23589, 31452, 47178, 62904, 94356, 188712, 285689, 571378, 857067, 1142756, 1714134, 2285512, 2571201, 3428268, 5142402, 6856536, 10284804, 20569608]

約数ペア:

[(1, 20569608), (2, 10284804), (3, 6856536), (4, 5142402), (6, 3428268), (8, 2571201), (9, 2285512), (12, 1714134), (18, 1142756), (24, 857067), (36, 571378), (72, 285689), (109, 188712), (218, 94356), (327, 62904), (436, 47178), (654, 31452), (872, 23589), (981, 20968), (1308, 15726), (1962, 10484), (2616, 7863), (2621, 7848), (3924, 5242)]