20512191610

素因数分解:

$2^1\times 5^1\times {\mathrm{12907}}^1\times {\mathrm{158923}}^1$

素因数の和:171837

約数の個数: 16

約数和(自身を含む): 36925037856

約数和(自身を除く): 16412846246

約数列:

[1, 2, 5, 10, 12907, 25814, 64535, 129070, 158923, 317846, 794615, 1589230, 2051219161, 4102438322, 10256095805, 20512191610]

約数ペア:

[(1, 20512191610), (2, 10256095805), (5, 4102438322), (10, 2051219161), (12907, 1589230), (25814, 794615), (64535, 317846), (129070, 158923)]