20662906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 14717894

約数列:

[1, 2, 11, 22, 29, 58, 139, 233, 278, 319, 466, 638, 1529, 2563, 3058, 4031, 5126, 6757, 8062, 13514, 32387, 44341, 64774, 74327, 88682, 148654, 356257, 712514, 939223, 1878446, 10331453, 20662906]

約数ペア:

[(1, 20662906), (2, 10331453), (11, 1878446), (22, 939223), (29, 712514), (58, 356257), (139, 148654), (233, 88682), (278, 74327), (319, 64774), (466, 44341), (638, 32387), (1529, 13514), (2563, 8062), (3058, 6757), (4031, 5126)]