20526327

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 14068233

約数列:

[1, 3, 9, 17, 19, 23, 51, 57, 69, 153, 171, 207, 307, 323, 391, 437, 921, 969, 1173, 1311, 2763, 2907, 3519, 3933, 5219, 5833, 7061, 7429, 15657, 17499, 21183, 22287, 46971, 52497, 63549, 66861, 99161, 120037, 134159, 297483, 360111, 402477, 892449, 1080333, 1207431, 2280703, 6842109, 20526327]

約数ペア:

[(1, 20526327), (3, 6842109), (9, 2280703), (17, 1207431), (19, 1080333), (23, 892449), (51, 402477), (57, 360111), (69, 297483), (153, 134159), (171, 120037), (207, 99161), (307, 66861), (323, 63549), (391, 52497), (437, 46971), (921, 22287), (969, 21183), (1173, 17499), (1311, 15657), (2763, 7429), (2907, 7061), (3519, 5833), (3933, 5219)]