20458889568

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{19309}}^1$

素因数の和:19621

約数の個数: 144

約数和(自身を含む): 62880002640

約数和(自身を除く): 42421113072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 283, 288, 312, 416, 468, 566, 624, 849, 936, 1132, 1248, 1698, 1872, 2264, 2547, 3396, 3679, 3744, 4528, 5094, 6792, 7358, 9056, 10188, 11037, 13584, 14716, 19309, 20376, 22074, 27168, 29432, 33111, 38618, 40752, 44148, 57927, 58864, 66222, 77236, 81504, 88296, 115854, 117728, 132444, 154472, 173781, 176592, 231708, 251017, 264888, 308944, 347562, 353184, 463416, 502034, 529776, 617888, 695124, 753051, 926832, 1004068, 1059552, 1390248, 1506102, 1853664, 2008136, 2259153, 2780496, 3012204, 4016272, 4518306, 5464447, 5560992, 6024408, 8032544, 9036612, 10928894, 12048816, 16393341, 18073224, 21857788, 24097632, 32786682, 36146448, 43715576, 49180023, 65573364, 71037811, 72292896, 87431152, 98360046, 131146728, 142075622, 174862304, 196720092, 213113433, 262293456, 284151244, 393440184, 426226866, 524586912, 568302488, 639340299, 786880368, 852453732, 1136604976, 1278680598, 1573760736, 1704907464, 2273209952, 2557361196, 3409814928, 5114722392, 6819629856, 10229444784, 20458889568]

約数ペア:

[(1, 20458889568), (2, 10229444784), (3, 6819629856), (4, 5114722392), (6, 3409814928), (8, 2557361196), (9, 2273209952), (12, 1704907464), (13, 1573760736), (16, 1278680598), (18, 1136604976), (24, 852453732), (26, 786880368), (32, 639340299), (36, 568302488), (39, 524586912), (48, 426226866), (52, 393440184), (72, 284151244), (78, 262293456), (96, 213113433), (104, 196720092), (117, 174862304), (144, 142075622), (156, 131146728), (208, 98360046), (234, 87431152), (283, 72292896), (288, 71037811), (312, 65573364), (416, 49180023), (468, 43715576), (566, 36146448), (624, 32786682), (849, 24097632), (936, 21857788), (1132, 18073224), (1248, 16393341), (1698, 12048816), (1872, 10928894), (2264, 9036612), (2547, 8032544), (3396, 6024408), (3679, 5560992), (3744, 5464447), (4528, 4518306), (5094, 4016272), (6792, 3012204), (7358, 2780496), (9056, 2259153), (10188, 2008136), (11037, 1853664), (13584, 1506102), (14716, 1390248), (19309, 1059552), (20376, 1004068), (22074, 926832), (27168, 753051), (29432, 695124), (33111, 617888), (38618, 529776), (40752, 502034), (44148, 463416), (57927, 353184), (58864, 347562), (66222, 308944), (77236, 264888), (81504, 251017), (88296, 231708), (115854, 176592), (117728, 173781), (132444, 154472)]