20512007187

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{73259}}^1$

素因数の和:73535

約数の個数: 32

約数和(自身を含む): 31882752000

約数和(自身を除く): 11370744813

約数列:

[1, 3, 7, 21, 67, 199, 201, 469, 597, 1393, 1407, 4179, 13333, 39999, 73259, 93331, 219777, 279993, 512813, 1538439, 4908353, 14578541, 14725059, 34358471, 43735623, 102049787, 103075413, 306149361, 976762247, 2930286741, 6837335729, 20512007187]

約数ペア:

[(1, 20512007187), (3, 6837335729), (7, 2930286741), (21, 976762247), (67, 306149361), (199, 103075413), (201, 102049787), (469, 43735623), (597, 34358471), (1393, 14725059), (1407, 14578541), (4179, 4908353), (13333, 1538439), (39999, 512813), (73259, 279993), (93331, 219777)]