20340900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:350

約数の個数: 108

約数和(自身を含む): 64691172

約数和(自身を除く): 44350272

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 97, 100, 150, 180, 194, 225, 233, 291, 300, 388, 450, 466, 485, 582, 699, 873, 900, 932, 970, 1164, 1165, 1398, 1455, 1746, 1940, 2097, 2330, 2425, 2796, 2910, 3492, 3495, 4194, 4365, 4660, 4850, 5820, 5825, 6990, 7275, 8388, 8730, 9700, 10485, 11650, 13980, 14550, 17460, 17475, 20970, 21825, 22601, 23300, 29100, 34950, 41940, 43650, 45202, 52425, 67803, 69900, 87300, 90404, 104850, 113005, 135606, 203409, 209700, 226010, 271212, 339015, 406818, 452020, 565025, 678030, 813636, 1017045, 1130050, 1356060, 1695075, 2034090, 2260100, 3390150, 4068180, 5085225, 6780300, 10170450, 20340900]

約数ペア:

[(1, 20340900), (2, 10170450), (3, 6780300), (4, 5085225), (5, 4068180), (6, 3390150), (9, 2260100), (10, 2034090), (12, 1695075), (15, 1356060), (18, 1130050), (20, 1017045), (25, 813636), (30, 678030), (36, 565025), (45, 452020), (50, 406818), (60, 339015), (75, 271212), (90, 226010), (97, 209700), (100, 203409), (150, 135606), (180, 113005), (194, 104850), (225, 90404), (233, 87300), (291, 69900), (300, 67803), (388, 52425), (450, 45202), (466, 43650), (485, 41940), (582, 34950), (699, 29100), (873, 23300), (900, 22601), (932, 21825), (970, 20970), (1164, 17475), (1165, 17460), (1398, 14550), (1455, 13980), (1746, 11650), (1940, 10485), (2097, 9700), (2330, 8730), (2425, 8388), (2796, 7275), (2910, 6990), (3492, 5825), (3495, 5820), (4194, 4850), (4365, 4660)]