13644220

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3463}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 28806624

約数和(自身を除く): 15162404

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3463, 3940, 6926, 13852, 17315, 34630, 69260, 682211, 1364422, 2728844, 3411055, 6822110, 13644220]

約数ペア:

[(1, 13644220), (2, 6822110), (4, 3411055), (5, 2728844), (10, 1364422), (20, 682211), (197, 69260), (394, 34630), (788, 17315), (985, 13852), (1970, 6926), (3463, 3940)]