20565993960

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22751}}^1$

素因数の和:22811

約数の個数: 224

約数和(自身を含む): 71619655680

約数和(自身を除く): 51053661720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 243, 248, 270, 279, 310, 324, 360, 372, 405, 465, 486, 540, 558, 620, 648, 729, 744, 810, 837, 930, 972, 1080, 1116, 1215, 1240, 1395, 1458, 1620, 1674, 1860, 1944, 2232, 2430, 2511, 2790, 2916, 3240, 3348, 3645, 3720, 4185, 4860, 5022, 5580, 5832, 6696, 7290, 7533, 8370, 9720, 10044, 11160, 12555, 14580, 15066, 16740, 20088, 22599, 22751, 25110, 29160, 30132, 33480, 37665, 45198, 45502, 50220, 60264, 68253, 75330, 90396, 91004, 100440, 112995, 113755, 136506, 150660, 180792, 182008, 204759, 225990, 227510, 273012, 301320, 341265, 409518, 451980, 455020, 546024, 614277, 682530, 705281, 819036, 903960, 910040, 1023795, 1228554, 1365060, 1410562, 1638072, 1842831, 2047590, 2115843, 2457108, 2730120, 2821124, 3071385, 3526405, 3685662, 4095180, 4231686, 4914216, 5528493, 5642248, 6142770, 6347529, 7052810, 7371324, 8190360, 8463372, 9214155, 10579215, 11056986, 12285540, 12695058, 14105620, 14742648, 16585479, 16926744, 18428310, 19042587, 21158430, 22113972, 24571080, 25390116, 27642465, 28211240, 31737645, 33170958, 36856620, 38085174, 42316860, 44227944, 50780232, 55284930, 57127761, 63475290, 66341916, 73713240, 76170348, 82927395, 84633720, 95212935, 110569860, 114255522, 126950580, 132683832, 152340696, 165854790, 171383283, 190425870, 221139720, 228511044, 253901160, 285638805, 331709580, 342766566, 380851740, 457022088, 514149849, 571277610, 663419160, 685533132, 761703480, 856916415, 1028299698, 1142555220, 1371066264, 1713832830, 2056599396, 2285110440, 2570749245, 3427665660, 4113198792, 5141498490, 6855331320, 10282996980, 20565993960]

約数ペア:

[(1, 20565993960), (2, 10282996980), (3, 6855331320), (4, 5141498490), (5, 4113198792), (6, 3427665660), (8, 2570749245), (9, 2285110440), (10, 2056599396), (12, 1713832830), (15, 1371066264), (18, 1142555220), (20, 1028299698), (24, 856916415), (27, 761703480), (30, 685533132), (31, 663419160), (36, 571277610), (40, 514149849), (45, 457022088), (54, 380851740), (60, 342766566), (62, 331709580), (72, 285638805), (81, 253901160), (90, 228511044), (93, 221139720), (108, 190425870), (120, 171383283), (124, 165854790), (135, 152340696), (155, 132683832), (162, 126950580), (180, 114255522), (186, 110569860), (216, 95212935), (243, 84633720), (248, 82927395), (270, 76170348), (279, 73713240), (310, 66341916), (324, 63475290), (360, 57127761), (372, 55284930), (405, 50780232), (465, 44227944), (486, 42316860), (540, 38085174), (558, 36856620), (620, 33170958), (648, 31737645), (729, 28211240), (744, 27642465), (810, 25390116), (837, 24571080), (930, 22113972), (972, 21158430), (1080, 19042587), (1116, 18428310), (1215, 16926744), (1240, 16585479), (1395, 14742648), (1458, 14105620), (1620, 12695058), (1674, 12285540), (1860, 11056986), (1944, 10579215), (2232, 9214155), (2430, 8463372), (2511, 8190360), (2790, 7371324), (2916, 7052810), (3240, 6347529), (3348, 6142770), (3645, 5642248), (3720, 5528493), (4185, 4914216), (4860, 4231686), (5022, 4095180), (5580, 3685662), (5832, 3526405), (6696, 3071385), (7290, 2821124), (7533, 2730120), (8370, 2457108), (9720, 2115843), (10044, 2047590), (11160, 1842831), (12555, 1638072), (14580, 1410562), (15066, 1365060), (16740, 1228554), (20088, 1023795), (22599, 910040), (22751, 903960), (25110, 819036), (29160, 705281), (30132, 682530), (33480, 614277), (37665, 546024), (45198, 455020), (45502, 451980), (50220, 409518), (60264, 341265), (68253, 301320), (75330, 273012), (90396, 227510), (91004, 225990), (100440, 204759), (112995, 182008), (113755, 180792), (136506, 150660)]