27120020

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1723}}^1$

素因数の和:2519

約数の個数: 24

約数和(自身を含む): 57057504

約数和(自身を除く): 29937484

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 1723, 3148, 3446, 3935, 6892, 7870, 8615, 15740, 17230, 34460, 1356001, 2712002, 5424004, 6780005, 13560010, 27120020]

約数ペア:

[(1, 27120020), (2, 13560010), (4, 6780005), (5, 5424004), (10, 2712002), (20, 1356001), (787, 34460), (1574, 17230), (1723, 15740), (3148, 8615), (3446, 7870), (3935, 6892)]