20020206280

素因数分解:

$2^3\times 5^1\times {\mathrm{500505157}}^1$

素因数の和:500505168

約数の個数: 16

約数和(自身を含む): 45045464220

約数和(自身を除く): 25025257940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 500505157, 1001010314, 2002020628, 2502525785, 4004041256, 5005051570, 10010103140, 20020206280]

約数ペア:

[(1, 20020206280), (2, 10010103140), (4, 5005051570), (5, 4004041256), (8, 2502525785), (10, 2002020628), (20, 1001010314), (40, 500505157)]