20173902004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1193}}^1\times {\mathrm{2203}}^1$

素因数の和:3520

約数の個数: 48

約数和(自身を含む): 37578905280

約数和(自身を除く): 17405003276

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1193, 1919, 2203, 2386, 3838, 4406, 4772, 7676, 8812, 22667, 41857, 45334, 83714, 90668, 120493, 167428, 222503, 240986, 445006, 481972, 890012, 2289367, 2628179, 4227557, 4578734, 5256358, 8455114, 9157468, 10512716, 16910228, 49935401, 99870802, 199741604, 265446079, 530892158, 1061784316, 5043475501, 10086951002, 20173902004]

約数ペア:

[(1, 20173902004), (2, 10086951002), (4, 5043475501), (19, 1061784316), (38, 530892158), (76, 265446079), (101, 199741604), (202, 99870802), (404, 49935401), (1193, 16910228), (1919, 10512716), (2203, 9157468), (2386, 8455114), (3838, 5256358), (4406, 4578734), (4772, 4227557), (7676, 2628179), (8812, 2289367), (22667, 890012), (41857, 481972), (45334, 445006), (83714, 240986), (90668, 222503), (120493, 167428)]