20807520052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2203}}^1\times {\mathrm{2213}}^1$

素因数の和:4528

約数の個数: 48

約数和(自身を含む): 40169328192

約数和(自身を除く): 19361808140

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 2203, 2213, 4268, 4406, 4426, 8812, 8852, 24233, 24343, 48466, 48686, 96932, 97372, 213691, 214661, 427382, 429322, 854764, 858644, 2350601, 2361271, 4701202, 4722542, 4875239, 9402404, 9445084, 9750478, 19500956, 53627629, 107255258, 214510516, 472898183, 945796366, 1891592732, 5201880013, 10403760026, 20807520052]

約数ペア:

[(1, 20807520052), (2, 10403760026), (4, 5201880013), (11, 1891592732), (22, 945796366), (44, 472898183), (97, 214510516), (194, 107255258), (388, 53627629), (1067, 19500956), (2134, 9750478), (2203, 9445084), (2213, 9402404), (4268, 4875239), (4406, 4722542), (4426, 4701202), (8812, 2361271), (8852, 2350601), (24233, 858644), (24343, 854764), (48466, 429322), (48686, 427382), (96932, 214661), (97372, 213691)]