20961880128

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{742697}}^1$

素因数の和:742729

約数の個数: 126

約数和(自身を含む): 69893080686

約数和(自身を除く): 48931200558

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 392, 441, 448, 504, 576, 588, 672, 784, 882, 1008, 1176, 1344, 1568, 1764, 2016, 2352, 3136, 3528, 4032, 4704, 7056, 9408, 14112, 28224, 742697, 1485394, 2228091, 2970788, 4456182, 5198879, 5941576, 6684273, 8912364, 10397758, 11883152, 13368546, 15596637, 17824728, 20795516, 23766304, 26737092, 31193274, 35649456, 36392153, 41591032, 46789911, 47532608, 53474184, 62386548, 71298912, 72784306, 83182064, 93579822, 106948368, 109176459, 124773096, 142597824, 145568612, 166364128, 187159644, 213896736, 218352918, 249546192, 291137224, 327529377, 332728256, 374319288, 427793472, 436705836, 499092384, 582274448, 655058754, 748638576, 873411672, 998184768, 1164548896, 1310117508, 1497277152, 1746823344, 2329097792, 2620235016, 2994554304, 3493646688, 5240470032, 6987293376, 10480940064, 20961880128]

約数ペア:

[(1, 20961880128), (2, 10480940064), (3, 6987293376), (4, 5240470032), (6, 3493646688), (7, 2994554304), (8, 2620235016), (9, 2329097792), (12, 1746823344), (14, 1497277152), (16, 1310117508), (18, 1164548896), (21, 998184768), (24, 873411672), (28, 748638576), (32, 655058754), (36, 582274448), (42, 499092384), (48, 436705836), (49, 427793472), (56, 374319288), (63, 332728256), (64, 327529377), (72, 291137224), (84, 249546192), (96, 218352918), (98, 213896736), (112, 187159644), (126, 166364128), (144, 145568612), (147, 142597824), (168, 124773096), (192, 109176459), (196, 106948368), (224, 93579822), (252, 83182064), (288, 72784306), (294, 71298912), (336, 62386548), (392, 53474184), (441, 47532608), (448, 46789911), (504, 41591032), (576, 36392153), (588, 35649456), (672, 31193274), (784, 26737092), (882, 23766304), (1008, 20795516), (1176, 17824728), (1344, 15596637), (1568, 13368546), (1764, 11883152), (2016, 10397758), (2352, 8912364), (3136, 6684273), (3528, 5941576), (4032, 5198879), (4704, 4456182), (7056, 2970788), (9408, 2228091), (14112, 1485394), (28224, 742697)]