20163050120

素因数分解:

$2^3\times 5^1\times {\mathrm{3677}}^1\times {\mathrm{137089}}^1$

素因数の和:140777

約数の個数: 32

約数和(自身を含む): 45379531800

約数和(自身を除く): 25216481680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3677, 7354, 14708, 18385, 29416, 36770, 73540, 137089, 147080, 274178, 548356, 685445, 1096712, 1370890, 2741780, 5483560, 504076253, 1008152506, 2016305012, 2520381265, 4032610024, 5040762530, 10081525060, 20163050120]

約数ペア:

[(1, 20163050120), (2, 10081525060), (4, 5040762530), (5, 4032610024), (8, 2520381265), (10, 2016305012), (20, 1008152506), (40, 504076253), (3677, 5483560), (7354, 2741780), (14708, 1370890), (18385, 1096712), (29416, 685445), (36770, 548356), (73540, 274178), (137089, 147080)]