20181056

素因数分解:

$2^6\times 7^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:547

約数の個数: 56

約数和(自身を含む): 46305216

約数和(自身を除く): 26124160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 214, 224, 421, 428, 448, 749, 842, 856, 1498, 1684, 1712, 2947, 2996, 3368, 3424, 5894, 5992, 6736, 6848, 11788, 11984, 13472, 23576, 23968, 26944, 45047, 47152, 47936, 90094, 94304, 180188, 188608, 315329, 360376, 630658, 720752, 1261316, 1441504, 2522632, 2883008, 5045264, 10090528, 20181056]

約数ペア:

[(1, 20181056), (2, 10090528), (4, 5045264), (7, 2883008), (8, 2522632), (14, 1441504), (16, 1261316), (28, 720752), (32, 630658), (56, 360376), (64, 315329), (107, 188608), (112, 180188), (214, 94304), (224, 90094), (421, 47936), (428, 47152), (448, 45047), (749, 26944), (842, 23968), (856, 23576), (1498, 13472), (1684, 11984), (1712, 11788), (2947, 6848), (2996, 6736), (3368, 5992), (3424, 5894)]