20168022777

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{8423}}^1$

素因数の和:8822

約数の個数: 64

約数和(自身を含む): 34353745920

約数和(自身を除く): 14185723143

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 353, 357, 399, 969, 1059, 2261, 2471, 6001, 6707, 6783, 7413, 8423, 18003, 20121, 25269, 42007, 46949, 58961, 114019, 126021, 140847, 143191, 160037, 176883, 342057, 429573, 480111, 798133, 1002337, 1120259, 2394399, 2720629, 2973319, 3007011, 3360777, 8161887, 8919957, 19044403, 20813233, 50546423, 56493061, 57133209, 62439699, 151639269, 169479183, 353824961, 395451427, 960382037, 1061474883, 1186354281, 2881146111, 6722674259, 20168022777]

約数ペア:

[(1, 20168022777), (3, 6722674259), (7, 2881146111), (17, 1186354281), (19, 1061474883), (21, 960382037), (51, 395451427), (57, 353824961), (119, 169479183), (133, 151639269), (323, 62439699), (353, 57133209), (357, 56493061), (399, 50546423), (969, 20813233), (1059, 19044403), (2261, 8919957), (2471, 8161887), (6001, 3360777), (6707, 3007011), (6783, 2973319), (7413, 2720629), (8423, 2394399), (18003, 1120259), (20121, 1002337), (25269, 798133), (42007, 480111), (46949, 429573), (58961, 342057), (114019, 176883), (126021, 160037), (140847, 143191)]