2017940

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 4270560

約数和(自身を除く): 2252620

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 619, 652, 815, 1238, 1630, 2476, 3095, 3260, 6190, 12380, 100897, 201794, 403588, 504485, 1008970, 2017940]

約数ペア:

[(1, 2017940), (2, 1008970), (4, 504485), (5, 403588), (10, 201794), (20, 100897), (163, 12380), (326, 6190), (619, 3260), (652, 3095), (815, 2476), (1238, 1630)]