20670230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4159}}^1$

素因数の和:4244

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 22460650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4159, 4970, 8318, 20795, 29113, 41590, 58226, 145565, 291130, 295289, 590578, 1476445, 2067023, 2952890, 4134046, 10335115, 20670230]

約数ペア:

[(1, 20670230), (2, 10335115), (5, 4134046), (7, 2952890), (10, 2067023), (14, 1476445), (35, 590578), (70, 295289), (71, 291130), (142, 145565), (355, 58226), (497, 41590), (710, 29113), (994, 20795), (2485, 8318), (4159, 4970)]