20709234

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:344

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 35900046

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 47, 63, 78, 91, 94, 117, 126, 141, 182, 234, 269, 273, 282, 329, 423, 538, 546, 611, 658, 807, 819, 846, 987, 1222, 1614, 1638, 1833, 1883, 1974, 2421, 2961, 3497, 3666, 3766, 4277, 4842, 5499, 5649, 5922, 6994, 8554, 10491, 10998, 11298, 12643, 12831, 16947, 20982, 24479, 25286, 25662, 31473, 33894, 37929, 38493, 48958, 62946, 73437, 75858, 76986, 88501, 113787, 146874, 164359, 177002, 220311, 227574, 265503, 328718, 440622, 493077, 531006, 796509, 986154, 1150513, 1479231, 1593018, 2301026, 2958462, 3451539, 6903078, 10354617, 20709234]

約数ペア:

[(1, 20709234), (2, 10354617), (3, 6903078), (6, 3451539), (7, 2958462), (9, 2301026), (13, 1593018), (14, 1479231), (18, 1150513), (21, 986154), (26, 796509), (39, 531006), (42, 493077), (47, 440622), (63, 328718), (78, 265503), (91, 227574), (94, 220311), (117, 177002), (126, 164359), (141, 146874), (182, 113787), (234, 88501), (269, 76986), (273, 75858), (282, 73437), (329, 62946), (423, 48958), (538, 38493), (546, 37929), (611, 33894), (658, 31473), (807, 25662), (819, 25286), (846, 24479), (987, 20982), (1222, 16947), (1614, 12831), (1638, 12643), (1833, 11298), (1883, 10998), (1974, 10491), (2421, 8554), (2961, 6994), (3497, 5922), (3666, 5649), (3766, 5499), (4277, 4842)]