13820695

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2969}}^1$

素因数の和:3007

約数の個数: 24

約数和(自身を含む): 20314800

約数和(自身を除く): 6494105

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 2969, 4655, 14845, 20783, 56411, 103915, 145481, 282055, 394877, 727405, 1974385, 2764139, 13820695]

約数ペア:

[(1, 13820695), (5, 2764139), (7, 1974385), (19, 727405), (35, 394877), (49, 282055), (95, 145481), (133, 103915), (245, 56411), (665, 20783), (931, 14845), (2969, 4655)]