20772453

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 33696320

約数和(自身を除く): 12923867

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 97, 221, 247, 289, 291, 323, 663, 741, 867, 969, 1261, 1649, 1843, 3757, 3783, 4199, 4947, 5491, 5529, 11271, 12597, 16473, 21437, 23959, 28033, 31331, 64311, 71383, 71877, 84099, 93993, 214149, 364429, 407303, 532627, 1093287, 1221909, 1597881, 6924151, 20772453]

約数ペア:

[(1, 20772453), (3, 6924151), (13, 1597881), (17, 1221909), (19, 1093287), (39, 532627), (51, 407303), (57, 364429), (97, 214149), (221, 93993), (247, 84099), (289, 71877), (291, 71383), (323, 64311), (663, 31331), (741, 28033), (867, 23959), (969, 21437), (1261, 16473), (1649, 12597), (1843, 11271), (3757, 5529), (3783, 5491), (4199, 4947)]