20799431028

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1\times {\mathrm{709}}^1$

素因数の和:1118

約数の個数: 144

約数和(自身を含む): 55111813120

約数和(自身を除く): 34312382092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 97, 124, 186, 194, 271, 279, 291, 372, 388, 542, 558, 582, 709, 813, 873, 1084, 1116, 1164, 1418, 1626, 1746, 2127, 2439, 2836, 3007, 3252, 3492, 4254, 4878, 6014, 6381, 8401, 8508, 9021, 9756, 12028, 12762, 16802, 18042, 21979, 25203, 25524, 26287, 27063, 33604, 36084, 43958, 50406, 52574, 54126, 65937, 68773, 75609, 78861, 87916, 100812, 105148, 108252, 131874, 137546, 151218, 157722, 192139, 197811, 206319, 236583, 263748, 275092, 302436, 315444, 384278, 395622, 412638, 473166, 576417, 618957, 768556, 791244, 814897, 825276, 946332, 1152834, 1237914, 1629794, 1729251, 2131963, 2305668, 2444691, 2475828, 3259588, 3458502, 4263926, 4889382, 5956309, 6395889, 6917004, 7334073, 8527852, 9778764, 11912618, 12791778, 14668146, 17868927, 18637483, 19187667, 23825236, 25583556, 29336292, 35737854, 37274966, 38375334, 53606781, 55912449, 71475708, 74549932, 76750668, 107213562, 111824898, 167737347, 214427124, 223649796, 335474694, 577761973, 670949388, 1155523946, 1733285919, 2311047892, 3466571838, 5199857757, 6933143676, 10399715514, 20799431028]

約数ペア:

[(1, 20799431028), (2, 10399715514), (3, 6933143676), (4, 5199857757), (6, 3466571838), (9, 2311047892), (12, 1733285919), (18, 1155523946), (31, 670949388), (36, 577761973), (62, 335474694), (93, 223649796), (97, 214427124), (124, 167737347), (186, 111824898), (194, 107213562), (271, 76750668), (279, 74549932), (291, 71475708), (372, 55912449), (388, 53606781), (542, 38375334), (558, 37274966), (582, 35737854), (709, 29336292), (813, 25583556), (873, 23825236), (1084, 19187667), (1116, 18637483), (1164, 17868927), (1418, 14668146), (1626, 12791778), (1746, 11912618), (2127, 9778764), (2439, 8527852), (2836, 7334073), (3007, 6917004), (3252, 6395889), (3492, 5956309), (4254, 4889382), (4878, 4263926), (6014, 3458502), (6381, 3259588), (8401, 2475828), (8508, 2444691), (9021, 2305668), (9756, 2131963), (12028, 1729251), (12762, 1629794), (16802, 1237914), (18042, 1152834), (21979, 946332), (25203, 825276), (25524, 814897), (26287, 791244), (27063, 768556), (33604, 618957), (36084, 576417), (43958, 473166), (50406, 412638), (52574, 395622), (54126, 384278), (65937, 315444), (68773, 302436), (75609, 275092), (78861, 263748), (87916, 236583), (100812, 206319), (105148, 197811), (108252, 192139), (131874, 157722), (137546, 151218)]