20274016

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3121}}^1$

素因数の和:3167

約数の個数: 48

約数和(自身を含む): 47204640

約数和(自身を除く): 26930624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 3121, 3248, 6242, 6496, 12484, 21847, 24968, 43694, 49936, 87388, 90509, 99872, 174776, 181018, 349552, 362036, 633563, 699104, 724072, 1267126, 1448144, 2534252, 2896288, 5068504, 10137008, 20274016]

約数ペア:

[(1, 20274016), (2, 10137008), (4, 5068504), (7, 2896288), (8, 2534252), (14, 1448144), (16, 1267126), (28, 724072), (29, 699104), (32, 633563), (56, 362036), (58, 349552), (112, 181018), (116, 174776), (203, 99872), (224, 90509), (232, 87388), (406, 49936), (464, 43694), (812, 24968), (928, 21847), (1624, 12484), (3121, 6496), (3248, 6242)]