20408873199

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{108863}}^1$

素因数の和:108932

約数の個数: 64

約数和(自身を含む): 35115171840

約数和(自身を除く): 14706298641

約数列:

[1, 3, 11, 13, 19, 23, 33, 39, 57, 69, 143, 209, 247, 253, 299, 429, 437, 627, 741, 759, 897, 1311, 2717, 3289, 4807, 5681, 8151, 9867, 14421, 17043, 62491, 108863, 187473, 326589, 1197493, 1415219, 2068397, 2503849, 3592479, 4245657, 6205191, 7511547, 15567409, 22752367, 26889161, 27542339, 32550037, 46702227, 47573131, 68257101, 80667483, 82627017, 97650111, 142719393, 295780771, 358050407, 523304441, 618450703, 887342313, 1074151221, 1569913323, 1855352109, 6802957733, 20408873199]

約数ペア:

[(1, 20408873199), (3, 6802957733), (11, 1855352109), (13, 1569913323), (19, 1074151221), (23, 887342313), (33, 618450703), (39, 523304441), (57, 358050407), (69, 295780771), (143, 142719393), (209, 97650111), (247, 82627017), (253, 80667483), (299, 68257101), (429, 47573131), (437, 46702227), (627, 32550037), (741, 27542339), (759, 26889161), (897, 22752367), (1311, 15567409), (2717, 7511547), (3289, 6205191), (4807, 4245657), (5681, 3592479), (8151, 2503849), (9867, 2068397), (14421, 1415219), (17043, 1197493), (62491, 326589), (108863, 187473)]