20908942

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 24

約数和(自身を含む): 33613632

約数和(自身を除く): 12704690

約数列:

[1, 2, 29, 31, 58, 62, 401, 802, 841, 899, 1682, 1798, 11629, 12431, 23258, 24862, 26071, 52142, 337241, 360499, 674482, 720998, 10454471, 20908942]

約数ペア:

[(1, 20908942), (2, 10454471), (29, 720998), (31, 674482), (58, 360499), (62, 337241), (401, 52142), (802, 26071), (841, 24862), (899, 23258), (1682, 12431), (1798, 11629)]