20790742416

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1\times {\mathrm{557}}^1$

素因数の和:1041

約数の個数: 160

約数和(自身を含む): 57540067200

約数和(自身を除く): 36749324784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 149, 204, 272, 298, 307, 408, 447, 557, 596, 614, 816, 894, 921, 1114, 1192, 1228, 1671, 1788, 1842, 2228, 2384, 2456, 2533, 3342, 3576, 3684, 4456, 4912, 5066, 5219, 6684, 7152, 7368, 7599, 8912, 9469, 10132, 10438, 13368, 14736, 15198, 15657, 18938, 20264, 20876, 26736, 28407, 30396, 31314, 37876, 40528, 41752, 45743, 56814, 60792, 62628, 75752, 82993, 83504, 91486, 113628, 121584, 125256, 137229, 151504, 165986, 170999, 182972, 227256, 248979, 250512, 274458, 331972, 341998, 365944, 454512, 497958, 512997, 548916, 663944, 683996, 731888, 777631, 995916, 1025994, 1097832, 1327888, 1367992, 1410881, 1555262, 1991832, 2051988, 2195664, 2332893, 2735984, 2821762, 2906983, 3110524, 3983664, 4103976, 4232643, 4665786, 5643524, 5813966, 6221048, 8207952, 8465286, 8720949, 9331572, 11287048, 11627932, 12442096, 16930572, 17441898, 18663144, 22574096, 23255864, 25478851, 33861144, 34883796, 37326288, 46511728, 50957702, 67722288, 69767592, 76436553, 101915404, 139535184, 152873106, 203830808, 305746212, 407661616, 433140467, 611492424, 866280934, 1222984848, 1299421401, 1732561868, 2598842802, 3465123736, 5197685604, 6930247472, 10395371208, 20790742416]

約数ペア:

[(1, 20790742416), (2, 10395371208), (3, 6930247472), (4, 5197685604), (6, 3465123736), (8, 2598842802), (12, 1732561868), (16, 1299421401), (17, 1222984848), (24, 866280934), (34, 611492424), (48, 433140467), (51, 407661616), (68, 305746212), (102, 203830808), (136, 152873106), (149, 139535184), (204, 101915404), (272, 76436553), (298, 69767592), (307, 67722288), (408, 50957702), (447, 46511728), (557, 37326288), (596, 34883796), (614, 33861144), (816, 25478851), (894, 23255864), (921, 22574096), (1114, 18663144), (1192, 17441898), (1228, 16930572), (1671, 12442096), (1788, 11627932), (1842, 11287048), (2228, 9331572), (2384, 8720949), (2456, 8465286), (2533, 8207952), (3342, 6221048), (3576, 5813966), (3684, 5643524), (4456, 4665786), (4912, 4232643), (5066, 4103976), (5219, 3983664), (6684, 3110524), (7152, 2906983), (7368, 2821762), (7599, 2735984), (8912, 2332893), (9469, 2195664), (10132, 2051988), (10438, 1991832), (13368, 1555262), (14736, 1410881), (15198, 1367992), (15657, 1327888), (18938, 1097832), (20264, 1025994), (20876, 995916), (26736, 777631), (28407, 731888), (30396, 683996), (31314, 663944), (37876, 548916), (40528, 512997), (41752, 497958), (45743, 454512), (56814, 365944), (60792, 341998), (62628, 331972), (75752, 274458), (82993, 250512), (83504, 248979), (91486, 227256), (113628, 182972), (121584, 170999), (125256, 165986), (137229, 151504)]