20173552

素因数分解:

$2^4\times 7^1\times {\mathrm{281}}^1\times {\mathrm{641}}^1$

素因数の和:937

約数の個数: 40

約数和(自身を含む): 44898912

約数和(自身を除く): 24725360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 281, 562, 641, 1124, 1282, 1967, 2248, 2564, 3934, 4487, 4496, 5128, 7868, 8974, 10256, 15736, 17948, 31472, 35896, 71792, 180121, 360242, 720484, 1260847, 1440968, 2521694, 2881936, 5043388, 10086776, 20173552]

約数ペア:

[(1, 20173552), (2, 10086776), (4, 5043388), (7, 2881936), (8, 2521694), (14, 1440968), (16, 1260847), (28, 720484), (56, 360242), (112, 180121), (281, 71792), (562, 35896), (641, 31472), (1124, 17948), (1282, 15736), (1967, 10256), (2248, 8974), (2564, 7868), (3934, 5128), (4487, 4496)]