20887344

素因数分解:

$2^4\times 3^2\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2074

約数の個数: 60

約数和(自身を含む): 59286136

約数和(自身を除く): 38398792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 73, 144, 146, 219, 292, 438, 584, 657, 876, 1168, 1314, 1752, 1987, 2628, 3504, 3974, 5256, 5961, 7948, 10512, 11922, 15896, 17883, 23844, 31792, 35766, 47688, 71532, 95376, 143064, 145051, 286128, 290102, 435153, 580204, 870306, 1160408, 1305459, 1740612, 2320816, 2610918, 3481224, 5221836, 6962448, 10443672, 20887344]

約数ペア:

[(1, 20887344), (2, 10443672), (3, 6962448), (4, 5221836), (6, 3481224), (8, 2610918), (9, 2320816), (12, 1740612), (16, 1305459), (18, 1160408), (24, 870306), (36, 580204), (48, 435153), (72, 290102), (73, 286128), (144, 145051), (146, 143064), (219, 95376), (292, 71532), (438, 47688), (584, 35766), (657, 31792), (876, 23844), (1168, 17883), (1314, 15896), (1752, 11922), (1987, 10512), (2628, 7948), (3504, 5961), (3974, 5256)]