20291490646

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{174143}}^1$

素因数の和:174229

約数の個数: 48

約数和(自身を含む): 37521066240

約数和(自身を除く): 17229575594

約数列:

[1, 2, 7, 14, 29, 41, 49, 58, 82, 98, 203, 287, 406, 574, 1189, 1421, 2009, 2378, 2842, 4018, 8323, 16646, 58261, 116522, 174143, 348286, 1219001, 2438002, 5050147, 7139863, 8533007, 10100294, 14279726, 17066014, 35351029, 49979041, 70702058, 99958082, 207056027, 247457203, 349853287, 414112054, 494914406, 699706574, 1449392189, 2898784378, 10145745323, 20291490646]

約数ペア:

[(1, 20291490646), (2, 10145745323), (7, 2898784378), (14, 1449392189), (29, 699706574), (41, 494914406), (49, 414112054), (58, 349853287), (82, 247457203), (98, 207056027), (203, 99958082), (287, 70702058), (406, 49979041), (574, 35351029), (1189, 17066014), (1421, 14279726), (2009, 10100294), (2378, 8533007), (2842, 7139863), (4018, 5050147), (8323, 2438002), (16646, 1219001), (58261, 348286), (116522, 174143)]