20316173640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{780191}}^1$

素因数の和:780243

約数の個数: 128

約数和(自身を含む): 71902494720

約数和(自身を除く): 51586321080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 780191, 1560382, 2340573, 3120764, 3900955, 4681146, 5461337, 6241528, 7801910, 9362292, 10922674, 11702865, 15603820, 16384011, 18724584, 21845348, 23405730, 24185921, 27306685, 31207640, 32768022, 43690696, 46811460, 48371842, 54613370, 65536044, 72557763, 81920055, 93622920, 96743684, 109226740, 120929605, 131072088, 145115526, 163840110, 169301447, 193487368, 218453480, 241859210, 290231052, 327680220, 338602894, 362788815, 483718420, 507904341, 580462104, 655360440, 677205788, 725577630, 846507235, 967436840, 1015808682, 1354411576, 1451155260, 1693014470, 2031617364, 2539521705, 2902310520, 3386028940, 4063234728, 5079043410, 6772057880, 10158086820, 20316173640]

約数ペア:

[(1, 20316173640), (2, 10158086820), (3, 6772057880), (4, 5079043410), (5, 4063234728), (6, 3386028940), (7, 2902310520), (8, 2539521705), (10, 2031617364), (12, 1693014470), (14, 1451155260), (15, 1354411576), (20, 1015808682), (21, 967436840), (24, 846507235), (28, 725577630), (30, 677205788), (31, 655360440), (35, 580462104), (40, 507904341), (42, 483718420), (56, 362788815), (60, 338602894), (62, 327680220), (70, 290231052), (84, 241859210), (93, 218453480), (105, 193487368), (120, 169301447), (124, 163840110), (140, 145115526), (155, 131072088), (168, 120929605), (186, 109226740), (210, 96743684), (217, 93622920), (248, 81920055), (280, 72557763), (310, 65536044), (372, 54613370), (420, 48371842), (434, 46811460), (465, 43690696), (620, 32768022), (651, 31207640), (744, 27306685), (840, 24185921), (868, 23405730), (930, 21845348), (1085, 18724584), (1240, 16384011), (1302, 15603820), (1736, 11702865), (1860, 10922674), (2170, 9362292), (2604, 7801910), (3255, 6241528), (3720, 5461337), (4340, 4681146), (5208, 3900955), (6510, 3120764), (8680, 2340573), (13020, 1560382), (26040, 780191)]