20411050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 45800640

約数和(自身を除く): 25389590

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 37, 50, 55, 59, 74, 85, 110, 118, 170, 185, 187, 275, 295, 370, 374, 407, 425, 550, 590, 629, 649, 814, 850, 925, 935, 1003, 1258, 1298, 1475, 1850, 1870, 2006, 2035, 2183, 2950, 3145, 3245, 4070, 4366, 4675, 5015, 6290, 6490, 6919, 9350, 10030, 10175, 10915, 11033, 13838, 15725, 16225, 20350, 21830, 22066, 24013, 25075, 31450, 32450, 34595, 37111, 48026, 50150, 54575, 55165, 69190, 74222, 109150, 110330, 120065, 172975, 185555, 240130, 275825, 345950, 371110, 408221, 551650, 600325, 816442, 927775, 1200650, 1855550, 2041105, 4082210, 10205525, 20411050]

約数ペア:

[(1, 20411050), (2, 10205525), (5, 4082210), (10, 2041105), (11, 1855550), (17, 1200650), (22, 927775), (25, 816442), (34, 600325), (37, 551650), (50, 408221), (55, 371110), (59, 345950), (74, 275825), (85, 240130), (110, 185555), (118, 172975), (170, 120065), (185, 110330), (187, 109150), (275, 74222), (295, 69190), (370, 55165), (374, 54575), (407, 50150), (425, 48026), (550, 37111), (590, 34595), (629, 32450), (649, 31450), (814, 25075), (850, 24013), (925, 22066), (935, 21830), (1003, 20350), (1258, 16225), (1298, 15725), (1475, 13838), (1850, 11033), (1870, 10915), (2006, 10175), (2035, 10030), (2183, 9350), (2950, 6919), (3145, 6490), (3245, 6290), (4070, 5015), (4366, 4675)]