2090420

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{823}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 4429824

約数和(自身を除く): 2339404

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 823, 1270, 1646, 2540, 3292, 4115, 8230, 16460, 104521, 209042, 418084, 522605, 1045210, 2090420]

約数ペア:

[(1, 2090420), (2, 1045210), (4, 522605), (5, 418084), (10, 209042), (20, 104521), (127, 16460), (254, 8230), (508, 4115), (635, 3292), (823, 2540), (1270, 1646)]