20129756864

素因数分解:

$2^6\times 7^1\times {\mathrm{223}}^1\times {\mathrm{201491}}^1$

素因数の和:201733

約数の個数: 56

約数和(自身を含む): 45856355328

約数和(自身を除く): 25726598464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 223, 224, 446, 448, 892, 1561, 1784, 3122, 3568, 6244, 7136, 12488, 14272, 24976, 49952, 99904, 201491, 402982, 805964, 1410437, 1611928, 2820874, 3223856, 5641748, 6447712, 11283496, 12895424, 22566992, 44932493, 45133984, 89864986, 90267968, 179729972, 314527451, 359459944, 629054902, 718919888, 1258109804, 1437839776, 2516219608, 2875679552, 5032439216, 10064878432, 20129756864]

約数ペア:

[(1, 20129756864), (2, 10064878432), (4, 5032439216), (7, 2875679552), (8, 2516219608), (14, 1437839776), (16, 1258109804), (28, 718919888), (32, 629054902), (56, 359459944), (64, 314527451), (112, 179729972), (223, 90267968), (224, 89864986), (446, 45133984), (448, 44932493), (892, 22566992), (1561, 12895424), (1784, 11283496), (3122, 6447712), (3568, 5641748), (6244, 3223856), (7136, 2820874), (12488, 1611928), (14272, 1410437), (24976, 805964), (49952, 402982), (99904, 201491)]