2061940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{787}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 4368672

約数和(自身を除く): 2306732

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 787, 1310, 1574, 2620, 3148, 3935, 7870, 15740, 103097, 206194, 412388, 515485, 1030970, 2061940]

約数ペア:

[(1, 2061940), (2, 1030970), (4, 515485), (5, 412388), (10, 206194), (20, 103097), (131, 15740), (262, 7870), (524, 3935), (655, 3148), (787, 2620), (1310, 1574)]