20764049488

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{65719}}^1$

素因数の和:65785

約数の個数: 120

約数和(自身を含む): 52025003520

約数和(自身を除く): 31260954032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 112, 124, 182, 196, 208, 217, 248, 364, 392, 403, 434, 496, 637, 728, 784, 806, 868, 1274, 1456, 1519, 1612, 1736, 2548, 2821, 3038, 3224, 3472, 5096, 5642, 6076, 6448, 10192, 11284, 12152, 19747, 22568, 24304, 39494, 45136, 65719, 78988, 131438, 157976, 262876, 315952, 460033, 525752, 854347, 920066, 1051504, 1708694, 1840132, 2037289, 3220231, 3417388, 3680264, 4074578, 5980429, 6440462, 6834776, 7360528, 8149156, 11960858, 12880924, 13669552, 14261023, 16298312, 23921716, 25761848, 26484757, 28522046, 32596624, 41863003, 47843432, 51523696, 52969514, 57044092, 83726006, 95686864, 99827161, 105939028, 114088184, 167452012, 185393299, 199654322, 211878056, 228176368, 334904024, 370786598, 399308644, 423756112, 669808048, 741573196, 798617288, 1297753093, 1483146392, 1597234576, 2595506186, 2966292784, 5191012372, 10382024744, 20764049488]

約数ペア:

[(1, 20764049488), (2, 10382024744), (4, 5191012372), (7, 2966292784), (8, 2595506186), (13, 1597234576), (14, 1483146392), (16, 1297753093), (26, 798617288), (28, 741573196), (31, 669808048), (49, 423756112), (52, 399308644), (56, 370786598), (62, 334904024), (91, 228176368), (98, 211878056), (104, 199654322), (112, 185393299), (124, 167452012), (182, 114088184), (196, 105939028), (208, 99827161), (217, 95686864), (248, 83726006), (364, 57044092), (392, 52969514), (403, 51523696), (434, 47843432), (496, 41863003), (637, 32596624), (728, 28522046), (784, 26484757), (806, 25761848), (868, 23921716), (1274, 16298312), (1456, 14261023), (1519, 13669552), (1612, 12880924), (1736, 11960858), (2548, 8149156), (2821, 7360528), (3038, 6834776), (3224, 6440462), (3472, 5980429), (5096, 4074578), (5642, 3680264), (6076, 3417388), (6448, 3220231), (10192, 2037289), (11284, 1840132), (12152, 1708694), (19747, 1051504), (22568, 920066), (24304, 854347), (39494, 525752), (45136, 460033), (65719, 315952), (78988, 262876), (131438, 157976)]