20512187751

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{3251}}^1$

素因数の和:3660

約数の個数: 64

約数和(自身を含む): 32592844800

約数和(自身を除く): 12080657049

約数列:

[1, 3, 11, 19, 29, 33, 57, 87, 209, 319, 347, 551, 627, 957, 1041, 1653, 3251, 3817, 6061, 6593, 9753, 10063, 11451, 18183, 19779, 30189, 35761, 61769, 72523, 94279, 107283, 110693, 185307, 191197, 217569, 282837, 332079, 573591, 679459, 1037069, 1128097, 1791301, 2038377, 2103167, 3111207, 3384291, 5373903, 6309501, 12409067, 19704311, 21433843, 32714813, 37227201, 59112933, 64301529, 98144439, 235772273, 359862943, 621581447, 707316819, 1079588829, 1864744341, 6837395917, 20512187751]

約数ペア:

[(1, 20512187751), (3, 6837395917), (11, 1864744341), (19, 1079588829), (29, 707316819), (33, 621581447), (57, 359862943), (87, 235772273), (209, 98144439), (319, 64301529), (347, 59112933), (551, 37227201), (627, 32714813), (957, 21433843), (1041, 19704311), (1653, 12409067), (3251, 6309501), (3817, 5373903), (6061, 3384291), (6593, 3111207), (9753, 2103167), (10063, 2038377), (11451, 1791301), (18183, 1128097), (19779, 1037069), (30189, 679459), (35761, 573591), (61769, 332079), (72523, 282837), (94279, 217569), (107283, 191197), (110693, 185307)]