20099692010

素因数分解:

$2^1\times 5^1\times {\mathrm{25229}}^1\times {\mathrm{79669}}^1$

素因数の和:104905

約数の個数: 16

約数和(自身を含む): 36181333800

約数和(自身を除く): 16081641790

約数列:

[1, 2, 5, 10, 25229, 50458, 79669, 126145, 159338, 252290, 398345, 796690, 2009969201, 4019938402, 10049846005, 20099692010]

約数ペア:

[(1, 20099692010), (2, 10049846005), (5, 4019938402), (10, 2009969201), (25229, 796690), (50458, 398345), (79669, 252290), (126145, 159338)]