20428644

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 50400000

約数和(自身を除く): 29971356

約数列:

[1, 2, 3, 4, 6, 12, 29, 47, 58, 87, 94, 116, 141, 174, 188, 282, 348, 564, 1249, 1363, 2498, 2726, 3747, 4089, 4996, 5452, 7494, 8178, 14988, 16356, 36221, 58703, 72442, 108663, 117406, 144884, 176109, 217326, 234812, 352218, 434652, 704436, 1702387, 3404774, 5107161, 6809548, 10214322, 20428644]

約数ペア:

[(1, 20428644), (2, 10214322), (3, 6809548), (4, 5107161), (6, 3404774), (12, 1702387), (29, 704436), (47, 434652), (58, 352218), (87, 234812), (94, 217326), (116, 176109), (141, 144884), (174, 117406), (188, 108663), (282, 72442), (348, 58703), (564, 36221), (1249, 16356), (1363, 14988), (2498, 8178), (2726, 7494), (3747, 5452), (4089, 4996)]