20495104

素因数分解:

$2^8\times 7^1\times {\mathrm{11437}}^1$

素因数の和:11460

約数の個数: 36

約数和(自身を含む): 46758544

約数和(自身を除く): 26263440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11437, 22874, 45748, 80059, 91496, 160118, 182992, 320236, 365984, 640472, 731968, 1280944, 1463936, 2561888, 2927872, 5123776, 10247552, 20495104]

約数ペア:

[(1, 20495104), (2, 10247552), (4, 5123776), (7, 2927872), (8, 2561888), (14, 1463936), (16, 1280944), (28, 731968), (32, 640472), (56, 365984), (64, 320236), (112, 182992), (128, 160118), (224, 91496), (256, 80059), (448, 45748), (896, 22874), (1792, 11437)]