20283088

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1867}}^1$

素因数の和:1979

約数の個数: 40

約数和(自身を含む): 45399872

約数和(自身を除く): 25116784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 1867, 2716, 3734, 5432, 7468, 10864, 13069, 14936, 26138, 29872, 52276, 104552, 181099, 209104, 362198, 724396, 1267693, 1448792, 2535386, 2897584, 5070772, 10141544, 20283088]

約数ペア:

[(1, 20283088), (2, 10141544), (4, 5070772), (7, 2897584), (8, 2535386), (14, 1448792), (16, 1267693), (28, 724396), (56, 362198), (97, 209104), (112, 181099), (194, 104552), (388, 52276), (679, 29872), (776, 26138), (1358, 14936), (1552, 13069), (1867, 10864), (2716, 7468), (3734, 5432)]