20090591964

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{212437}}^1$

素因数の和:212555

約数の個数: 72

約数和(自身を含む): 52891963488

約数和(自身を除く): 32801371524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 71, 74, 111, 142, 148, 213, 222, 284, 333, 426, 444, 639, 666, 852, 1278, 1332, 2556, 2627, 5254, 7881, 10508, 15762, 23643, 31524, 47286, 94572, 212437, 424874, 637311, 849748, 1274622, 1911933, 2549244, 3823866, 7647732, 7860169, 15083027, 15720338, 23580507, 30166054, 31440676, 45249081, 47161014, 60332108, 70741521, 90498162, 94322028, 135747243, 141483042, 180996324, 271494486, 282966084, 542988972, 558071999, 1116143998, 1674215997, 2232287996, 3348431994, 5022647991, 6696863988, 10045295982, 20090591964]

約数ペア:

[(1, 20090591964), (2, 10045295982), (3, 6696863988), (4, 5022647991), (6, 3348431994), (9, 2232287996), (12, 1674215997), (18, 1116143998), (36, 558071999), (37, 542988972), (71, 282966084), (74, 271494486), (111, 180996324), (142, 141483042), (148, 135747243), (213, 94322028), (222, 90498162), (284, 70741521), (333, 60332108), (426, 47161014), (444, 45249081), (639, 31440676), (666, 30166054), (852, 23580507), (1278, 15720338), (1332, 15083027), (2556, 7860169), (2627, 7647732), (5254, 3823866), (7881, 2549244), (10508, 1911933), (15762, 1274622), (23643, 849748), (31524, 637311), (47286, 424874), (94572, 212437)]