20394990

素因数分解:

$2^1\times 3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 69189120

約数和(自身を除く): 48794130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 81, 90, 99, 105, 109, 110, 126, 135, 154, 162, 165, 189, 198, 210, 218, 231, 243, 270, 297, 315, 327, 330, 378, 385, 405, 462, 486, 495, 545, 567, 594, 630, 654, 693, 763, 770, 810, 891, 945, 981, 990, 1090, 1134, 1155, 1199, 1215, 1386, 1485, 1526, 1635, 1701, 1782, 1890, 1962, 2079, 2289, 2310, 2398, 2430, 2673, 2835, 2943, 2970, 3270, 3402, 3465, 3597, 3815, 4158, 4455, 4578, 4905, 5346, 5670, 5886, 5995, 6237, 6867, 6930, 7194, 7630, 8393, 8505, 8829, 8910, 9810, 10395, 10791, 11445, 11990, 12474, 13365, 13734, 14715, 16786, 17010, 17658, 17985, 18711, 20601, 20790, 21582, 22890, 25179, 26487, 26730, 29430, 31185, 32373, 34335, 35970, 37422, 41202, 41965, 44145, 50358, 52974, 53955, 61803, 62370, 64746, 68670, 75537, 83930, 88290, 93555, 97119, 103005, 107910, 123606, 125895, 132435, 151074, 161865, 185409, 187110, 194238, 206010, 226611, 251790, 264870, 291357, 309015, 323730, 370818, 377685, 453222, 485595, 582714, 618030, 679833, 755370, 927045, 971190, 1133055, 1359666, 1456785, 1854090, 2039499, 2266110, 2913570, 3399165, 4078998, 6798330, 10197495, 20394990]

約数ペア:

[(1, 20394990), (2, 10197495), (3, 6798330), (5, 4078998), (6, 3399165), (7, 2913570), (9, 2266110), (10, 2039499), (11, 1854090), (14, 1456785), (15, 1359666), (18, 1133055), (21, 971190), (22, 927045), (27, 755370), (30, 679833), (33, 618030), (35, 582714), (42, 485595), (45, 453222), (54, 377685), (55, 370818), (63, 323730), (66, 309015), (70, 291357), (77, 264870), (81, 251790), (90, 226611), (99, 206010), (105, 194238), (109, 187110), (110, 185409), (126, 161865), (135, 151074), (154, 132435), (162, 125895), (165, 123606), (189, 107910), (198, 103005), (210, 97119), (218, 93555), (231, 88290), (243, 83930), (270, 75537), (297, 68670), (315, 64746), (327, 62370), (330, 61803), (378, 53955), (385, 52974), (405, 50358), (462, 44145), (486, 41965), (495, 41202), (545, 37422), (567, 35970), (594, 34335), (630, 32373), (654, 31185), (693, 29430), (763, 26730), (770, 26487), (810, 25179), (891, 22890), (945, 21582), (981, 20790), (990, 20601), (1090, 18711), (1134, 17985), (1155, 17658), (1199, 17010), (1215, 16786), (1386, 14715), (1485, 13734), (1526, 13365), (1635, 12474), (1701, 11990), (1782, 11445), (1890, 10791), (1962, 10395), (2079, 9810), (2289, 8910), (2310, 8829), (2398, 8505), (2430, 8393), (2673, 7630), (2835, 7194), (2943, 6930), (2970, 6867), (3270, 6237), (3402, 5995), (3465, 5886), (3597, 5670), (3815, 5346), (4158, 4905), (4455, 4578)]