20087480751

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{421}}^1\times {\mathrm{3389}}^1$

素因数の和:3864

約数の個数: 48

約数和(自身を含む): 30522854880

約数和(自身を除く): 10435374129

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 421, 741, 1083, 1263, 3389, 4693, 5473, 7999, 10167, 14079, 16419, 23997, 44057, 64391, 103987, 132171, 151981, 193173, 311961, 455943, 837083, 1223429, 1426769, 1975753, 2511249, 3670287, 4280307, 5927259, 15904577, 18547997, 27108611, 47713731, 55643991, 81325833, 352411943, 515063609, 1057235829, 1545190827, 6695826917, 20087480751]

約数ペア:

[(1, 20087480751), (3, 6695826917), (13, 1545190827), (19, 1057235829), (39, 515063609), (57, 352411943), (247, 81325833), (361, 55643991), (421, 47713731), (741, 27108611), (1083, 18547997), (1263, 15904577), (3389, 5927259), (4693, 4280307), (5473, 3670287), (7999, 2511249), (10167, 1975753), (14079, 1426769), (16419, 1223429), (23997, 837083), (44057, 455943), (64391, 311961), (103987, 193173), (132171, 151981)]