20200210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 38506752

約数和(自身を除く): 18306542

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 230, 355, 710, 1237, 1633, 2474, 3266, 6185, 8165, 12370, 16330, 28451, 56902, 87827, 142255, 175654, 284510, 439135, 878270, 2020021, 4040042, 10100105, 20200210]

約数ペア:

[(1, 20200210), (2, 10100105), (5, 4040042), (10, 2020021), (23, 878270), (46, 439135), (71, 284510), (115, 175654), (142, 142255), (230, 87827), (355, 56902), (710, 28451), (1237, 16330), (1633, 12370), (2474, 8165), (3266, 6185)]