20165979213

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1\times {\mathrm{743}}^1$

素因数の和:1239

約数の個数: 64

約数和(自身を含む): 31769395200

約数和(自身を除く): 11603415987

約数列:

[1, 3, 9, 19, 27, 57, 171, 191, 277, 513, 573, 743, 831, 1719, 2229, 2493, 3629, 5157, 5263, 6687, 7479, 10887, 14117, 15789, 20061, 32661, 42351, 47367, 52907, 97983, 127053, 141913, 142101, 158721, 205811, 381159, 425739, 476163, 617433, 1005233, 1277217, 1428489, 1852299, 2696347, 3015699, 3831651, 3910409, 5556897, 8089041, 9047097, 11731227, 24267123, 27141291, 35193681, 39309901, 72801369, 105581043, 117929703, 353789109, 746888119, 1061367327, 2240664357, 6721993071, 20165979213]

約数ペア:

[(1, 20165979213), (3, 6721993071), (9, 2240664357), (19, 1061367327), (27, 746888119), (57, 353789109), (171, 117929703), (191, 105581043), (277, 72801369), (513, 39309901), (573, 35193681), (743, 27141291), (831, 24267123), (1719, 11731227), (2229, 9047097), (2493, 8089041), (3629, 5556897), (5157, 3910409), (5263, 3831651), (6687, 3015699), (7479, 2696347), (10887, 1852299), (14117, 1428489), (15789, 1277217), (20061, 1005233), (32661, 617433), (42351, 476163), (47367, 425739), (52907, 381159), (97983, 205811), (127053, 158721), (141913, 142101)]