20269743172

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{21179}}^1$

素因数の和:21473

約数の個数: 72

約数和(自身を含む): 43606231200

約数和(自身を除く): 23336488028

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 257, 266, 514, 532, 931, 1028, 1799, 1862, 3598, 3724, 4883, 7196, 9766, 12593, 19532, 21179, 25186, 34181, 42358, 50372, 68362, 84716, 136724, 148253, 239267, 296506, 402401, 478534, 593012, 804802, 957068, 1037771, 1609604, 2075542, 2816807, 4151084, 5443003, 5633614, 10886006, 11267228, 19717649, 21772012, 38101021, 39435298, 76202042, 78870596, 103417057, 152404084, 206834114, 266707147, 413668228, 533414294, 723919399, 1066828588, 1447838798, 2895677596, 5067435793, 10134871586, 20269743172]

約数ペア:

[(1, 20269743172), (2, 10134871586), (4, 5067435793), (7, 2895677596), (14, 1447838798), (19, 1066828588), (28, 723919399), (38, 533414294), (49, 413668228), (76, 266707147), (98, 206834114), (133, 152404084), (196, 103417057), (257, 78870596), (266, 76202042), (514, 39435298), (532, 38101021), (931, 21772012), (1028, 19717649), (1799, 11267228), (1862, 10886006), (3598, 5633614), (3724, 5443003), (4883, 4151084), (7196, 2816807), (9766, 2075542), (12593, 1609604), (19532, 1037771), (21179, 957068), (25186, 804802), (34181, 593012), (42358, 478534), (50372, 402401), (68362, 296506), (84716, 239267), (136724, 148253)]