20197681805

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1\times {\mathrm{4481}}^1$

素因数の和:6029

約数の個数: 32

約数和(自身を含む): 28036523520

約数和(自身を除く): 7838841715

約数列:

[1, 5, 7, 35, 89, 445, 623, 1447, 3115, 4481, 7235, 10129, 22405, 31367, 50645, 128783, 156835, 398809, 643915, 901481, 1994045, 2791663, 4507405, 6484007, 13958315, 32420035, 45388049, 226940245, 577076623, 2885383115, 4039536361, 20197681805]

約数ペア:

[(1, 20197681805), (5, 4039536361), (7, 2885383115), (35, 577076623), (89, 226940245), (445, 45388049), (623, 32420035), (1447, 13958315), (3115, 6484007), (4481, 4507405), (7235, 2791663), (10129, 1994045), (22405, 901481), (31367, 643915), (50645, 398809), (128783, 156835)]