20187776

素因数分解:

$2^7\times 7^1\times {\mathrm{22531}}^1$

素因数の和:22552

約数の個数: 32

約数和(自身を含む): 45965280

約数和(自身を除く): 25777504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22531, 45062, 90124, 157717, 180248, 315434, 360496, 630868, 720992, 1261736, 1441984, 2523472, 2883968, 5046944, 10093888, 20187776]

約数ペア:

[(1, 20187776), (2, 10093888), (4, 5046944), (7, 2883968), (8, 2523472), (14, 1441984), (16, 1261736), (28, 720992), (32, 630868), (56, 360496), (64, 315434), (112, 180248), (128, 157717), (224, 90124), (448, 45062), (896, 22531)]