1605662020

素因数分解:

$2^2\times 5^1\times {\mathrm{10723}}^1\times {\mathrm{7487}}^1$

素因数の和:18219

約数の個数: 24

約数和(自身を含む): 3372655104

約数和(自身を除く): 1766993084

約数列:

[1, 2, 4, 5, 10, 20, 7487, 10723, 14974, 21446, 29948, 37435, 42892, 53615, 74870, 107230, 149740, 214460, 80283101, 160566202, 321132404, 401415505, 802831010, 1605662020]

約数ペア:

[(1, 1605662020), (2, 802831010), (4, 401415505), (5, 321132404), (10, 160566202), (20, 80283101), (7487, 214460), (10723, 149740), (14974, 107230), (21446, 74870), (29948, 53615), (37435, 42892)]