20046280

素因数分解:

$2^3\times 5^1\times {\mathrm{501157}}^1$

素因数の和:501168

約数の個数: 16

約数和(自身を含む): 45104220

約数和(自身を除く): 25057940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 501157, 1002314, 2004628, 2505785, 4009256, 5011570, 10023140, 20046280]

約数ペア:

[(1, 20046280), (2, 10023140), (4, 5011570), (5, 4009256), (8, 2505785), (10, 2004628), (20, 1002314), (40, 501157)]