20184800

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1097}}^1$

素因数の和:1140

約数の個数: 72

約数和(自身を含む): 51465456

約数和(自身を除く): 31280656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 160, 184, 200, 230, 368, 400, 460, 575, 736, 800, 920, 1097, 1150, 1840, 2194, 2300, 3680, 4388, 4600, 5485, 8776, 9200, 10970, 17552, 18400, 21940, 25231, 27425, 35104, 43880, 50462, 54850, 87760, 100924, 109700, 126155, 175520, 201848, 219400, 252310, 403696, 438800, 504620, 630775, 807392, 877600, 1009240, 1261550, 2018480, 2523100, 4036960, 5046200, 10092400, 20184800]

約数ペア:

[(1, 20184800), (2, 10092400), (4, 5046200), (5, 4036960), (8, 2523100), (10, 2018480), (16, 1261550), (20, 1009240), (23, 877600), (25, 807392), (32, 630775), (40, 504620), (46, 438800), (50, 403696), (80, 252310), (92, 219400), (100, 201848), (115, 175520), (160, 126155), (184, 109700), (200, 100924), (230, 87760), (368, 54850), (400, 50462), (460, 43880), (575, 35104), (736, 27425), (800, 25231), (920, 21940), (1097, 18400), (1150, 17552), (1840, 10970), (2194, 9200), (2300, 8776), (3680, 5485), (4388, 4600)]