20565584172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{450881}}^1$

素因数の和:451079

約数の個数: 72

約数和(自身を含む): 59740061472

約数和(自身を除く): 39174477300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 181, 252, 362, 543, 724, 1086, 1267, 1629, 2172, 2534, 3258, 3801, 5068, 6516, 7602, 11403, 15204, 22806, 45612, 450881, 901762, 1352643, 1803524, 2705286, 3156167, 4057929, 5410572, 6312334, 8115858, 9468501, 12624668, 16231716, 18937002, 28405503, 37874004, 56811006, 81609461, 113622012, 163218922, 244828383, 326437844, 489656766, 571266227, 734485149, 979313532, 1142532454, 1468970298, 1713798681, 2285064908, 2937940596, 3427597362, 5141396043, 6855194724, 10282792086, 20565584172]

約数ペア:

[(1, 20565584172), (2, 10282792086), (3, 6855194724), (4, 5141396043), (6, 3427597362), (7, 2937940596), (9, 2285064908), (12, 1713798681), (14, 1468970298), (18, 1142532454), (21, 979313532), (28, 734485149), (36, 571266227), (42, 489656766), (63, 326437844), (84, 244828383), (126, 163218922), (181, 113622012), (252, 81609461), (362, 56811006), (543, 37874004), (724, 28405503), (1086, 18937002), (1267, 16231716), (1629, 12624668), (2172, 9468501), (2534, 8115858), (3258, 6312334), (3801, 5410572), (5068, 4057929), (6516, 3156167), (7602, 2705286), (11403, 1803524), (15204, 1352643), (22806, 901762), (45612, 450881)]