20264552

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 48176640

約数和(自身を除く): 27912088

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 67, 77, 88, 134, 154, 268, 308, 469, 491, 536, 616, 737, 938, 982, 1474, 1876, 1964, 2948, 3437, 3752, 3928, 5159, 5401, 5896, 6874, 10318, 10802, 13748, 20636, 21604, 27496, 32897, 37807, 41272, 43208, 65794, 75614, 131588, 151228, 230279, 263176, 302456, 361867, 460558, 723734, 921116, 1447468, 1842232, 2533069, 2894936, 5066138, 10132276, 20264552]

約数ペア:

[(1, 20264552), (2, 10132276), (4, 5066138), (7, 2894936), (8, 2533069), (11, 1842232), (14, 1447468), (22, 921116), (28, 723734), (44, 460558), (56, 361867), (67, 302456), (77, 263176), (88, 230279), (134, 151228), (154, 131588), (268, 75614), (308, 65794), (469, 43208), (491, 41272), (536, 37807), (616, 32897), (737, 27496), (938, 21604), (982, 20636), (1474, 13748), (1876, 10802), (1964, 10318), (2948, 6874), (3437, 5896), (3752, 5401), (3928, 5159)]