20809306500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{107}}^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:855

約数の個数: 192

約数和(自身を含む): 61505982720

約数和(自身を除く): 40696676220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 107, 125, 150, 214, 250, 300, 317, 321, 375, 409, 428, 500, 535, 634, 642, 750, 818, 951, 1070, 1227, 1268, 1284, 1500, 1585, 1605, 1636, 1902, 2045, 2140, 2454, 2675, 3170, 3210, 3804, 4090, 4755, 4908, 5350, 6135, 6340, 6420, 7925, 8025, 8180, 9510, 10225, 10700, 12270, 13375, 15850, 16050, 19020, 20450, 23775, 24540, 26750, 30675, 31700, 32100, 33919, 39625, 40125, 40900, 43763, 47550, 51125, 53500, 61350, 67838, 79250, 80250, 87526, 95100, 101757, 102250, 118875, 122700, 129653, 131289, 135676, 153375, 158500, 160500, 169595, 175052, 203514, 204500, 218815, 237750, 259306, 262578, 306750, 339190, 388959, 407028, 437630, 475500, 508785, 518612, 525156, 613500, 648265, 656445, 678380, 777918, 847975, 875260, 1017570, 1094075, 1296530, 1312890, 1555836, 1695950, 1944795, 2035140, 2188150, 2543925, 2593060, 2625780, 3241325, 3282225, 3391900, 3889590, 4239875, 4376300, 5087850, 5470375, 6482650, 6564450, 7779180, 8479750, 9723975, 10175700, 10940750, 12719625, 12965300, 13128900, 13872871, 16206625, 16411125, 16959500, 19447950, 21881500, 25439250, 27745742, 32413250, 32822250, 38895900, 41618613, 48619875, 50878500, 55491484, 64826500, 65644500, 69364355, 83237226, 97239750, 138728710, 166474452, 194479500, 208093065, 277457420, 346821775, 416186130, 693643550, 832372260, 1040465325, 1387287100, 1734108875, 2080930650, 3468217750, 4161861300, 5202326625, 6936435500, 10404653250, 20809306500]

約数ペア:

[(1, 20809306500), (2, 10404653250), (3, 6936435500), (4, 5202326625), (5, 4161861300), (6, 3468217750), (10, 2080930650), (12, 1734108875), (15, 1387287100), (20, 1040465325), (25, 832372260), (30, 693643550), (50, 416186130), (60, 346821775), (75, 277457420), (100, 208093065), (107, 194479500), (125, 166474452), (150, 138728710), (214, 97239750), (250, 83237226), (300, 69364355), (317, 65644500), (321, 64826500), (375, 55491484), (409, 50878500), (428, 48619875), (500, 41618613), (535, 38895900), (634, 32822250), (642, 32413250), (750, 27745742), (818, 25439250), (951, 21881500), (1070, 19447950), (1227, 16959500), (1268, 16411125), (1284, 16206625), (1500, 13872871), (1585, 13128900), (1605, 12965300), (1636, 12719625), (1902, 10940750), (2045, 10175700), (2140, 9723975), (2454, 8479750), (2675, 7779180), (3170, 6564450), (3210, 6482650), (3804, 5470375), (4090, 5087850), (4755, 4376300), (4908, 4239875), (5350, 3889590), (6135, 3391900), (6340, 3282225), (6420, 3241325), (7925, 2625780), (8025, 2593060), (8180, 2543925), (9510, 2188150), (10225, 2035140), (10700, 1944795), (12270, 1695950), (13375, 1555836), (15850, 1312890), (16050, 1296530), (19020, 1094075), (20450, 1017570), (23775, 875260), (24540, 847975), (26750, 777918), (30675, 678380), (31700, 656445), (32100, 648265), (33919, 613500), (39625, 525156), (40125, 518612), (40900, 508785), (43763, 475500), (47550, 437630), (51125, 407028), (53500, 388959), (61350, 339190), (67838, 306750), (79250, 262578), (80250, 259306), (87526, 237750), (95100, 218815), (101757, 204500), (102250, 203514), (118875, 175052), (122700, 169595), (129653, 160500), (131289, 158500), (135676, 153375)]