20249905160

素因数分解:

$2^3\times 5^1\times {\mathrm{506247629}}^1$

素因数の和:506247640

約数の個数: 16

約数和(自身を含む): 45562286700

約数和(自身を除く): 25312381540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506247629, 1012495258, 2024990516, 2531238145, 4049981032, 5062476290, 10124952580, 20249905160]

約数ペア:

[(1, 20249905160), (2, 10124952580), (4, 5062476290), (5, 4049981032), (8, 2531238145), (10, 2024990516), (20, 1012495258), (40, 506247629)]