20613858720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{471929}}^1$

素因数の和:471967

約数の個数: 192

約数和(自身を含む): 79918513920

約数和(自身を除く): 59304655200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2730, 2912, 3120, 3360, 3640, 4368, 5460, 6240, 7280, 8736, 10920, 14560, 21840, 43680, 471929, 943858, 1415787, 1887716, 2359645, 2831574, 3303503, 3775432, 4719290, 5663148, 6135077, 6607006, 7078935, 7550864, 9438580, 9910509, 11326296, 12270154, 13214012, 14157870, 15101728, 16517515, 18405231, 18877160, 19821018, 22652592, 24540308, 26428024, 28315740, 30675385, 33035030, 36810462, 37754320, 39642036, 42945539, 45305184, 49080616, 49552545, 52856048, 56631480, 61350770, 66070060, 73620924, 75508640, 79284072, 85891078, 92026155, 98161232, 99105090, 105712096, 113262960, 122701540, 128836617, 132140120, 147241848, 158568144, 171782156, 184052310, 196322464, 198210180, 214727695, 226525920, 245403080, 257673234, 264280240, 294483696, 317136288, 343564312, 368104620, 396420360, 429455390, 490806160, 515346468, 528560480, 588967392, 644183085, 687128624, 736209240, 792840720, 858910780, 981612320, 1030692936, 1288366170, 1374257248, 1472418480, 1585681440, 1717821560, 2061385872, 2576732340, 2944836960, 3435643120, 4122771744, 5153464680, 6871286240, 10306929360, 20613858720]

約数ペア:

[(1, 20613858720), (2, 10306929360), (3, 6871286240), (4, 5153464680), (5, 4122771744), (6, 3435643120), (7, 2944836960), (8, 2576732340), (10, 2061385872), (12, 1717821560), (13, 1585681440), (14, 1472418480), (15, 1374257248), (16, 1288366170), (20, 1030692936), (21, 981612320), (24, 858910780), (26, 792840720), (28, 736209240), (30, 687128624), (32, 644183085), (35, 588967392), (39, 528560480), (40, 515346468), (42, 490806160), (48, 429455390), (52, 396420360), (56, 368104620), (60, 343564312), (65, 317136288), (70, 294483696), (78, 264280240), (80, 257673234), (84, 245403080), (91, 226525920), (96, 214727695), (104, 198210180), (105, 196322464), (112, 184052310), (120, 171782156), (130, 158568144), (140, 147241848), (156, 132140120), (160, 128836617), (168, 122701540), (182, 113262960), (195, 105712096), (208, 99105090), (210, 98161232), (224, 92026155), (240, 85891078), (260, 79284072), (273, 75508640), (280, 73620924), (312, 66070060), (336, 61350770), (364, 56631480), (390, 52856048), (416, 49552545), (420, 49080616), (455, 45305184), (480, 42945539), (520, 39642036), (546, 37754320), (560, 36810462), (624, 33035030), (672, 30675385), (728, 28315740), (780, 26428024), (840, 24540308), (910, 22652592), (1040, 19821018), (1092, 18877160), (1120, 18405231), (1248, 16517515), (1365, 15101728), (1456, 14157870), (1560, 13214012), (1680, 12270154), (1820, 11326296), (2080, 9910509), (2184, 9438580), (2730, 7550864), (2912, 7078935), (3120, 6607006), (3360, 6135077), (3640, 5663148), (4368, 4719290), (5460, 3775432), (6240, 3303503), (7280, 2831574), (8736, 2359645), (10920, 1887716), (14560, 1415787), (21840, 943858), (43680, 471929)]