20783508416

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:611

約数の個数: 224

約数和(自身を含む): 49487328000

約数和(自身を除く): 28703819584

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 29, 32, 38, 44, 58, 64, 76, 88, 116, 131, 152, 176, 209, 232, 262, 304, 319, 352, 409, 418, 464, 524, 551, 608, 638, 704, 818, 836, 928, 1048, 1102, 1216, 1276, 1441, 1636, 1672, 1856, 2096, 2204, 2489, 2552, 2882, 3272, 3344, 3799, 4192, 4408, 4499, 4978, 5104, 5764, 6061, 6544, 6688, 7598, 7771, 8384, 8816, 8998, 9956, 10208, 11528, 11861, 12122, 13088, 13376, 15196, 15542, 17632, 17996, 19912, 20416, 23056, 23722, 24244, 26176, 27379, 30392, 31084, 35264, 35992, 39824, 41789, 46112, 47444, 48488, 53579, 54758, 60784, 62168, 71984, 72181, 79648, 83578, 85481, 92224, 94888, 96976, 107158, 109516, 121568, 124336, 130471, 143968, 144362, 159296, 167156, 170962, 189776, 193952, 214316, 219032, 225359, 243136, 248672, 260942, 287936, 288724, 334312, 341924, 379552, 387904, 428632, 438064, 450718, 497344, 521884, 577448, 589369, 668624, 683848, 759104, 793991, 857264, 876128, 901436, 1018001, 1043768, 1154896, 1178738, 1337248, 1367696, 1553791, 1587982, 1714528, 1752256, 1802872, 2036002, 2087536, 2309792, 2357476, 2478949, 2674496, 2735392, 3107582, 3175964, 3429056, 3605744, 4072004, 4175072, 4619584, 4714952, 4957898, 5470784, 6215164, 6351928, 7211488, 8144008, 8350144, 9429904, 9915796, 11198011, 12430328, 12703856, 14422976, 16288016, 17091701, 18859808, 19831592, 22396022, 24860656, 25407712, 29522029, 32576032, 34183402, 37719616, 39663184, 44792044, 49721312, 50815424, 59044058, 65152064, 68366804, 79326368, 89584088, 99442624, 118088116, 136733608, 158652736, 179168176, 236176232, 273467216, 324742319, 358336352, 472352464, 546934432, 649484638, 716672704, 944704928, 1093868864, 1298969276, 1889409856, 2597938552, 5195877104, 10391754208, 20783508416]

約数ペア:

[(1, 20783508416), (2, 10391754208), (4, 5195877104), (8, 2597938552), (11, 1889409856), (16, 1298969276), (19, 1093868864), (22, 944704928), (29, 716672704), (32, 649484638), (38, 546934432), (44, 472352464), (58, 358336352), (64, 324742319), (76, 273467216), (88, 236176232), (116, 179168176), (131, 158652736), (152, 136733608), (176, 118088116), (209, 99442624), (232, 89584088), (262, 79326368), (304, 68366804), (319, 65152064), (352, 59044058), (409, 50815424), (418, 49721312), (464, 44792044), (524, 39663184), (551, 37719616), (608, 34183402), (638, 32576032), (704, 29522029), (818, 25407712), (836, 24860656), (928, 22396022), (1048, 19831592), (1102, 18859808), (1216, 17091701), (1276, 16288016), (1441, 14422976), (1636, 12703856), (1672, 12430328), (1856, 11198011), (2096, 9915796), (2204, 9429904), (2489, 8350144), (2552, 8144008), (2882, 7211488), (3272, 6351928), (3344, 6215164), (3799, 5470784), (4192, 4957898), (4408, 4714952), (4499, 4619584), (4978, 4175072), (5104, 4072004), (5764, 3605744), (6061, 3429056), (6544, 3175964), (6688, 3107582), (7598, 2735392), (7771, 2674496), (8384, 2478949), (8816, 2357476), (8998, 2309792), (9956, 2087536), (10208, 2036002), (11528, 1802872), (11861, 1752256), (12122, 1714528), (13088, 1587982), (13376, 1553791), (15196, 1367696), (15542, 1337248), (17632, 1178738), (17996, 1154896), (19912, 1043768), (20416, 1018001), (23056, 901436), (23722, 876128), (24244, 857264), (26176, 793991), (27379, 759104), (30392, 683848), (31084, 668624), (35264, 589369), (35992, 577448), (39824, 521884), (41789, 497344), (46112, 450718), (47444, 438064), (48488, 428632), (53579, 387904), (54758, 379552), (60784, 341924), (62168, 334312), (71984, 288724), (72181, 287936), (79648, 260942), (83578, 248672), (85481, 243136), (92224, 225359), (94888, 219032), (96976, 214316), (107158, 193952), (109516, 189776), (121568, 170962), (124336, 167156), (130471, 159296), (143968, 144362)]