12838820

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{883}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 27029184

約数和(自身を除く): 14190364

約数列:

[1, 2, 4, 5, 10, 20, 727, 883, 1454, 1766, 2908, 3532, 3635, 4415, 7270, 8830, 14540, 17660, 641941, 1283882, 2567764, 3209705, 6419410, 12838820]

約数ペア:

[(1, 12838820), (2, 6419410), (4, 3209705), (5, 2567764), (10, 1283882), (20, 641941), (727, 17660), (883, 14540), (1454, 8830), (1766, 7270), (2908, 4415), (3532, 3635)]