20292510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1361}}^1$

素因数の和:1449

約数の個数: 64

約数和(自身を含む): 56484864

約数和(自身を除く): 36192354

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1361, 1491, 2130, 2485, 2722, 2982, 4083, 4970, 6805, 7455, 8166, 9527, 13610, 14910, 19054, 20415, 28581, 40830, 47635, 57162, 95270, 96631, 142905, 193262, 285810, 289893, 483155, 579786, 676417, 966310, 1352834, 1449465, 2029251, 2898930, 3382085, 4058502, 6764170, 10146255, 20292510]

約数ペア:

[(1, 20292510), (2, 10146255), (3, 6764170), (5, 4058502), (6, 3382085), (7, 2898930), (10, 2029251), (14, 1449465), (15, 1352834), (21, 966310), (30, 676417), (35, 579786), (42, 483155), (70, 289893), (71, 285810), (105, 193262), (142, 142905), (210, 96631), (213, 95270), (355, 57162), (426, 47635), (497, 40830), (710, 28581), (994, 20415), (1065, 19054), (1361, 14910), (1491, 13610), (2130, 9527), (2485, 8166), (2722, 7455), (2982, 6805), (4083, 4970)]