20661287040

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{188791}}^1$

素因数の和:188835

約数の個数: 192

約数和(自身を含む): 75101457600

約数和(自身を除く): 54440170560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 855, 912, 960, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2432, 2736, 2880, 3040, 3420, 3648, 4560, 5472, 5760, 6080, 6840, 7296, 9120, 10944, 12160, 13680, 18240, 21888, 27360, 36480, 54720, 109440, 188791, 377582, 566373, 755164, 943955, 1132746, 1510328, 1699119, 1887910, 2265492, 2831865, 3020656, 3398238, 3587029, 3775820, 4530984, 5663730, 6041312, 6796476, 7174058, 7551640, 8495595, 9061968, 10761087, 11327460, 12082624, 13592952, 14348116, 15103280, 16991190, 17935145, 18123936, 21522174, 22654920, 24165248, 27185904, 28696232, 30206560, 32283261, 33982380, 35870290, 36247872, 43044348, 45309840, 53805435, 54371808, 57392464, 60413120, 64566522, 67964760, 71740580, 72495744, 86088696, 90619680, 107610870, 108743616, 114784928, 120826240, 129133044, 135929520, 143481160, 161416305, 172177392, 181239360, 215221740, 217487232, 229569856, 258266088, 271859040, 286962320, 322832610, 344354784, 362478720, 430443480, 459139712, 516532176, 543718080, 573924640, 645665220, 688709568, 860886960, 1033064352, 1087436160, 1147849280, 1291330440, 1377419136, 1721773920, 2066128704, 2295698560, 2582660880, 3443547840, 4132257408, 5165321760, 6887095680, 10330643520, 20661287040]

約数ペア:

[(1, 20661287040), (2, 10330643520), (3, 6887095680), (4, 5165321760), (5, 4132257408), (6, 3443547840), (8, 2582660880), (9, 2295698560), (10, 2066128704), (12, 1721773920), (15, 1377419136), (16, 1291330440), (18, 1147849280), (19, 1087436160), (20, 1033064352), (24, 860886960), (30, 688709568), (32, 645665220), (36, 573924640), (38, 543718080), (40, 516532176), (45, 459139712), (48, 430443480), (57, 362478720), (60, 344354784), (64, 322832610), (72, 286962320), (76, 271859040), (80, 258266088), (90, 229569856), (95, 217487232), (96, 215221740), (114, 181239360), (120, 172177392), (128, 161416305), (144, 143481160), (152, 135929520), (160, 129133044), (171, 120826240), (180, 114784928), (190, 108743616), (192, 107610870), (228, 90619680), (240, 86088696), (285, 72495744), (288, 71740580), (304, 67964760), (320, 64566522), (342, 60413120), (360, 57392464), (380, 54371808), (384, 53805435), (456, 45309840), (480, 43044348), (570, 36247872), (576, 35870290), (608, 33982380), (640, 32283261), (684, 30206560), (720, 28696232), (760, 27185904), (855, 24165248), (912, 22654920), (960, 21522174), (1140, 18123936), (1152, 17935145), (1216, 16991190), (1368, 15103280), (1440, 14348116), (1520, 13592952), (1710, 12082624), (1824, 11327460), (1920, 10761087), (2280, 9061968), (2432, 8495595), (2736, 7551640), (2880, 7174058), (3040, 6796476), (3420, 6041312), (3648, 5663730), (4560, 4530984), (5472, 3775820), (5760, 3587029), (6080, 3398238), (6840, 3020656), (7296, 2831865), (9120, 2265492), (10944, 1887910), (12160, 1699119), (13680, 1510328), (18240, 1132746), (21888, 943955), (27360, 755164), (36480, 566373), (54720, 377582), (109440, 188791)]