20692980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1493}}^1$

素因数の和:1526

約数の個数: 144

約数和(自身を含む): 78309504

約数和(自身を除く): 57616524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1493, 1540, 1980, 2310, 2772, 2986, 3465, 4479, 4620, 5972, 6930, 7465, 8958, 10451, 13437, 13860, 14930, 16423, 17916, 20902, 22395, 26874, 29860, 31353, 32846, 41804, 44790, 49269, 52255, 53748, 62706, 65692, 67185, 82115, 89580, 94059, 98538, 104510, 114961, 125412, 134370, 147807, 156765, 164230, 188118, 197076, 209020, 229922, 246345, 268740, 295614, 313530, 328460, 344883, 376236, 459844, 470295, 492690, 574805, 591228, 627060, 689766, 739035, 940590, 985380, 1034649, 1149610, 1379532, 1478070, 1724415, 1881180, 2069298, 2299220, 2956140, 3448830, 4138596, 5173245, 6897660, 10346490, 20692980]

約数ペア:

[(1, 20692980), (2, 10346490), (3, 6897660), (4, 5173245), (5, 4138596), (6, 3448830), (7, 2956140), (9, 2299220), (10, 2069298), (11, 1881180), (12, 1724415), (14, 1478070), (15, 1379532), (18, 1149610), (20, 1034649), (21, 985380), (22, 940590), (28, 739035), (30, 689766), (33, 627060), (35, 591228), (36, 574805), (42, 492690), (44, 470295), (45, 459844), (55, 376236), (60, 344883), (63, 328460), (66, 313530), (70, 295614), (77, 268740), (84, 246345), (90, 229922), (99, 209020), (105, 197076), (110, 188118), (126, 164230), (132, 156765), (140, 147807), (154, 134370), (165, 125412), (180, 114961), (198, 104510), (210, 98538), (220, 94059), (231, 89580), (252, 82115), (308, 67185), (315, 65692), (330, 62706), (385, 53748), (396, 52255), (420, 49269), (462, 44790), (495, 41804), (630, 32846), (660, 31353), (693, 29860), (770, 26874), (924, 22395), (990, 20902), (1155, 17916), (1260, 16423), (1386, 14930), (1493, 13860), (1540, 13437), (1980, 10451), (2310, 8958), (2772, 7465), (2986, 6930), (3465, 5972), (4479, 4620)]