20243944336

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{20879}}^1$

素因数の和:21692

約数の個数: 80

約数和(自身を含む): 48965437440

約数和(自身を除く): 28721493104

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 787, 1232, 1574, 3148, 5509, 6296, 8657, 11018, 12592, 17314, 20879, 22036, 34628, 41758, 44072, 60599, 69256, 83516, 88144, 121198, 138512, 146153, 167032, 229669, 242396, 292306, 334064, 459338, 484792, 584612, 918676, 969584, 1169224, 1607683, 1837352, 2338448, 3215366, 3674704, 6430732, 12861464, 16431773, 25722928, 32863546, 65727092, 115022411, 131454184, 180749503, 230044822, 262908368, 361499006, 460089644, 722998012, 920179288, 1265246521, 1445996024, 1840358576, 2530493042, 2891992048, 5060986084, 10121972168, 20243944336]

約数ペア:

[(1, 20243944336), (2, 10121972168), (4, 5060986084), (7, 2891992048), (8, 2530493042), (11, 1840358576), (14, 1445996024), (16, 1265246521), (22, 920179288), (28, 722998012), (44, 460089644), (56, 361499006), (77, 262908368), (88, 230044822), (112, 180749503), (154, 131454184), (176, 115022411), (308, 65727092), (616, 32863546), (787, 25722928), (1232, 16431773), (1574, 12861464), (3148, 6430732), (5509, 3674704), (6296, 3215366), (8657, 2338448), (11018, 1837352), (12592, 1607683), (17314, 1169224), (20879, 969584), (22036, 918676), (34628, 584612), (41758, 484792), (44072, 459338), (60599, 334064), (69256, 292306), (83516, 242396), (88144, 229669), (121198, 167032), (138512, 146153)]