20819857982

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{5431}}^1$

素因数の和:5566

約数の個数: 96

約数和(自身を含む): 41058619392

約数和(自身を除く): 20238761410

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 73, 77, 121, 146, 154, 217, 242, 341, 434, 511, 682, 803, 847, 1022, 1606, 1694, 2263, 2387, 3751, 4526, 4774, 5431, 5621, 7502, 8833, 10862, 11242, 15841, 17666, 24893, 26257, 31682, 38017, 49786, 52514, 59741, 61831, 76034, 119482, 123662, 168361, 174251, 273823, 336722, 348502, 396463, 418187, 547646, 657151, 792926, 836374, 1178527, 1314302, 1851971, 1916761, 2357054, 2775241, 3703942, 3833522, 4361093, 4600057, 5550482, 8722186, 9200114, 12290353, 12963797, 20371681, 24580706, 25927594, 30527651, 40743362, 47972023, 61055302, 86032471, 95944046, 135193883, 142601767, 172064942, 270387766, 285203534, 335804161, 671608322, 946357181, 1487132713, 1892714362, 2974265426, 10409928991, 20819857982]

約数ペア:

[(1, 20819857982), (2, 10409928991), (7, 2974265426), (11, 1892714362), (14, 1487132713), (22, 946357181), (31, 671608322), (62, 335804161), (73, 285203534), (77, 270387766), (121, 172064942), (146, 142601767), (154, 135193883), (217, 95944046), (242, 86032471), (341, 61055302), (434, 47972023), (511, 40743362), (682, 30527651), (803, 25927594), (847, 24580706), (1022, 20371681), (1606, 12963797), (1694, 12290353), (2263, 9200114), (2387, 8722186), (3751, 5550482), (4526, 4600057), (4774, 4361093), (5431, 3833522), (5621, 3703942), (7502, 2775241), (8833, 2357054), (10862, 1916761), (11242, 1851971), (15841, 1314302), (17666, 1178527), (24893, 836374), (26257, 792926), (31682, 657151), (38017, 547646), (49786, 418187), (52514, 396463), (59741, 348502), (61831, 336722), (76034, 273823), (119482, 174251), (123662, 168361)]