20201260450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1\times {\mathrm{1493}}^1$

素因数の和:2156

約数の個数: 96

約数和(自身を含む): 43687810944

約数和(自身を除く): 23486550494

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 67, 70, 134, 175, 335, 350, 469, 577, 670, 938, 1154, 1493, 1675, 2345, 2885, 2986, 3350, 4039, 4690, 5770, 7465, 8078, 10451, 11725, 14425, 14930, 20195, 20902, 23450, 28850, 37325, 38659, 40390, 52255, 74650, 77318, 100031, 100975, 104510, 193295, 200062, 201950, 261275, 270613, 386590, 500155, 522550, 541226, 700217, 861461, 966475, 1000310, 1353065, 1400434, 1722922, 1932950, 2500775, 2706130, 3501085, 4307305, 5001550, 6030227, 6765325, 7002170, 8614610, 12060454, 13530650, 17505425, 21536525, 30151135, 35010850, 43073050, 57717887, 60302270, 115435774, 150755675, 288589435, 301511350, 404025209, 577178870, 808050418, 1442947175, 2020126045, 2885894350, 4040252090, 10100630225, 20201260450]

約数ペア:

[(1, 20201260450), (2, 10100630225), (5, 4040252090), (7, 2885894350), (10, 2020126045), (14, 1442947175), (25, 808050418), (35, 577178870), (50, 404025209), (67, 301511350), (70, 288589435), (134, 150755675), (175, 115435774), (335, 60302270), (350, 57717887), (469, 43073050), (577, 35010850), (670, 30151135), (938, 21536525), (1154, 17505425), (1493, 13530650), (1675, 12060454), (2345, 8614610), (2885, 7002170), (2986, 6765325), (3350, 6030227), (4039, 5001550), (4690, 4307305), (5770, 3501085), (7465, 2706130), (8078, 2500775), (10451, 1932950), (11725, 1722922), (14425, 1400434), (14930, 1353065), (20195, 1000310), (20902, 966475), (23450, 861461), (28850, 700217), (37325, 541226), (38659, 522550), (40390, 500155), (52255, 386590), (74650, 270613), (77318, 261275), (100031, 201950), (100975, 200062), (104510, 193295)]