20001300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:87

約数の個数: 216

約数和(自身を含む): 69266400

約数和(自身を除く): 49265100

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 25, 29, 30, 33, 38, 44, 50, 55, 57, 58, 60, 66, 75, 76, 87, 95, 100, 110, 114, 116, 121, 132, 145, 150, 165, 174, 190, 209, 220, 228, 242, 275, 285, 290, 300, 319, 330, 348, 363, 380, 418, 435, 475, 484, 550, 551, 570, 580, 605, 627, 638, 660, 725, 726, 825, 836, 870, 950, 957, 1045, 1100, 1102, 1140, 1210, 1254, 1276, 1425, 1450, 1452, 1595, 1650, 1653, 1740, 1815, 1900, 1914, 2090, 2175, 2204, 2299, 2420, 2508, 2755, 2850, 2900, 3025, 3135, 3190, 3300, 3306, 3509, 3630, 3828, 4180, 4350, 4598, 4785, 5225, 5510, 5700, 6050, 6061, 6270, 6380, 6612, 6897, 7018, 7260, 7975, 8265, 8700, 9075, 9196, 9570, 10450, 10527, 11020, 11495, 12100, 12122, 12540, 13775, 13794, 14036, 15675, 15950, 16530, 17545, 18150, 18183, 19140, 20900, 21054, 22990, 23925, 24244, 27550, 27588, 30305, 31350, 31900, 33060, 34485, 35090, 36300, 36366, 41325, 42108, 45980, 47850, 52635, 55100, 57475, 60610, 62700, 66671, 68970, 70180, 72732, 82650, 87725, 90915, 95700, 105270, 114950, 121220, 133342, 137940, 151525, 165300, 172425, 175450, 181830, 200013, 210540, 229900, 263175, 266684, 303050, 333355, 344850, 350900, 363660, 400026, 454575, 526350, 606100, 666710, 689700, 800052, 909150, 1000065, 1052700, 1333420, 1666775, 1818300, 2000130, 3333550, 4000260, 5000325, 6667100, 10000650, 20001300]

約数ペア:

[(1, 20001300), (2, 10000650), (3, 6667100), (4, 5000325), (5, 4000260), (6, 3333550), (10, 2000130), (11, 1818300), (12, 1666775), (15, 1333420), (19, 1052700), (20, 1000065), (22, 909150), (25, 800052), (29, 689700), (30, 666710), (33, 606100), (38, 526350), (44, 454575), (50, 400026), (55, 363660), (57, 350900), (58, 344850), (60, 333355), (66, 303050), (75, 266684), (76, 263175), (87, 229900), (95, 210540), (100, 200013), (110, 181830), (114, 175450), (116, 172425), (121, 165300), (132, 151525), (145, 137940), (150, 133342), (165, 121220), (174, 114950), (190, 105270), (209, 95700), (220, 90915), (228, 87725), (242, 82650), (275, 72732), (285, 70180), (290, 68970), (300, 66671), (319, 62700), (330, 60610), (348, 57475), (363, 55100), (380, 52635), (418, 47850), (435, 45980), (475, 42108), (484, 41325), (550, 36366), (551, 36300), (570, 35090), (580, 34485), (605, 33060), (627, 31900), (638, 31350), (660, 30305), (725, 27588), (726, 27550), (825, 24244), (836, 23925), (870, 22990), (950, 21054), (957, 20900), (1045, 19140), (1100, 18183), (1102, 18150), (1140, 17545), (1210, 16530), (1254, 15950), (1276, 15675), (1425, 14036), (1450, 13794), (1452, 13775), (1595, 12540), (1650, 12122), (1653, 12100), (1740, 11495), (1815, 11020), (1900, 10527), (1914, 10450), (2090, 9570), (2175, 9196), (2204, 9075), (2299, 8700), (2420, 8265), (2508, 7975), (2755, 7260), (2850, 7018), (2900, 6897), (3025, 6612), (3135, 6380), (3190, 6270), (3300, 6061), (3306, 6050), (3509, 5700), (3630, 5510), (3828, 5225), (4180, 4785), (4350, 4598)]