20199633904

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{553961}}^1$

素因数の和:554065

約数の個数: 40

約数和(自身を含む): 40802625072

約数和(自身を除く): 20602991168

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 106, 172, 212, 344, 424, 688, 848, 2279, 4558, 9116, 18232, 36464, 553961, 1107922, 2215844, 4431688, 8863376, 23820323, 29359933, 47640646, 58719866, 95281292, 117439732, 190562584, 234879464, 381125168, 469758928, 1262477119, 2524954238, 5049908476, 10099816952, 20199633904]

約数ペア:

[(1, 20199633904), (2, 10099816952), (4, 5049908476), (8, 2524954238), (16, 1262477119), (43, 469758928), (53, 381125168), (86, 234879464), (106, 190562584), (172, 117439732), (212, 95281292), (344, 58719866), (424, 47640646), (688, 29359933), (848, 23820323), (2279, 8863376), (4558, 4431688), (9116, 2215844), (18232, 1107922), (36464, 553961)]