20646483

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 15641517

約数列:

[1, 3, 11, 13, 17, 19, 33, 39, 51, 57, 143, 149, 187, 209, 221, 247, 323, 429, 447, 561, 627, 663, 741, 969, 1639, 1937, 2431, 2533, 2717, 2831, 3553, 4199, 4917, 5811, 7293, 7599, 8151, 8493, 10659, 12597, 21307, 27863, 31141, 32929, 36803, 46189, 48127, 63921, 83589, 93423, 98787, 110409, 138567, 144381, 362219, 404833, 529397, 625651, 1086657, 1214499, 1588191, 1876953, 6882161, 20646483]

約数ペア:

[(1, 20646483), (3, 6882161), (11, 1876953), (13, 1588191), (17, 1214499), (19, 1086657), (33, 625651), (39, 529397), (51, 404833), (57, 362219), (143, 144381), (149, 138567), (187, 110409), (209, 98787), (221, 93423), (247, 83589), (323, 63921), (429, 48127), (447, 46189), (561, 36803), (627, 32929), (663, 31141), (741, 27863), (969, 21307), (1639, 12597), (1937, 10659), (2431, 8493), (2533, 8151), (2717, 7599), (2831, 7293), (3553, 5811), (4199, 4917)]